{"product_id":"md-silentmaster-s900r-120v-central-vacuum-s1257nh","title":"MD Central SilentMaster S900r 120 Volt Central Vacuum Power Unit #S1257NH","description":"\u003ch2\u003e\u003cspan\u003eQuick Summary\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMD Central SilentMaster S900r 120 Volt Central Vacuum Power Unit #S1257NH\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a premium built-in central vacuum system engineered to provide \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003epowerful whole-home suction, whisper-quiet operation, and dependable long-term performance\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Powered by a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ehigh-performance 120-volt motor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this premium power unit effectively removes dirt, dust, allergens, pet hair, and everyday debris while helping create a cleaner, healthier indoor environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAvailable through \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAuthorized MD Dealer Ace Vacuums\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the SilentMaster S900r combines advanced sound-reduction technology, premium filtration, and durable construction to deliver exceptional cleaning performance for large residential homes using standard 120-volt electrical service.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"19\" data-start=\"0\" data-section-id=\"1p7qksj\"\u003eQuick Highlights\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cul data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"2114\" data-start=\"21\"\u003e\n\u003cli data-end=\"164\" data-start=\"21\" data-section-id=\"121v7md\"\u003e\n\u003cstrong data-end=\"69\" data-start=\"23\"\u003ePremium 120-Volt Central Vacuum Power Unit\u003c\/strong\u003e delivers powerful whole-home suction while operating on standard household electrical service.\u003c\/li\u003e\n\u003cli data-end=\"289\" data-start=\"165\" data-section-id=\"ahmfdc\"\u003e\n\u003cstrong data-end=\"195\" data-start=\"167\"\u003eDesigned for Large Homes\u003c\/strong\u003e provides outstanding cleaning performance across multiple floors and expansive living spaces.\u003c\/li\u003e\n\u003cli data-end=\"422\" data-start=\"290\" data-section-id=\"uf4kdh\"\u003e\n\u003cstrong data-end=\"331\" data-start=\"292\"\u003eUltra-Quiet SilentMaster Technology\u003c\/strong\u003e significantly reduces operating noise for a quieter, more comfortable cleaning experience.\u003c\/li\u003e\n\u003cli data-end=\"563\" data-start=\"423\" data-section-id=\"i7ap53\"\u003e\n\u003cstrong data-end=\"456\" data-start=\"425\"\u003eHigh-Performance 120V Motor\u003c\/strong\u003e generates strong airflow for deep cleaning carpets, area rugs, upholstery, and sealed hard floor surfaces.\u003c\/li\u003e\n\u003cli data-end=\"706\" data-start=\"564\" data-section-id=\"1tq45cg\"\u003e\n\u003cstrong data-end=\"596\" data-start=\"566\"\u003eAdvanced Filtration System\u003c\/strong\u003e captures dust, pollen, allergens, pet dander, and fine airborne particles to help improve indoor air quality.\u003c\/li\u003e\n\u003cli data-end=\"831\" data-start=\"707\" data-section-id=\"5kqff\"\u003e\n\u003cstrong data-end=\"750\" data-start=\"709\"\u003eLarge-Capacity Dirt Collection System\u003c\/strong\u003e supports extended cleaning sessions with less frequent emptying and maintenance.\u003c\/li\u003e\n\u003cli data-end=\"996\" data-start=\"832\" data-section-id=\"1iazqe\"\u003e\n\u003cstrong data-end=\"869\" data-start=\"834\"\u003eWhole-Home Cleaning Performance\u003c\/strong\u003e efficiently removes dirt, debris, pet hair, and allergens through your built-in central vacuum system with consistent suction.\u003c\/li\u003e\n\u003cli data-end=\"1175\" data-start=\"997\" data-section-id=\"15aqosg\"\u003e\n\u003cstrong data-end=\"1048\" data-start=\"999\"\u003eCompatible with MD Central Vacuum Accessories\u003c\/strong\u003e works seamlessly with compatible MD hoses, electric powerheads, telescopic wands, floor brushes, and specialty cleaning tools.\u003c\/li\u003e\n\u003cli data-end=\"1294\" data-start=\"1176\" data-section-id=\"rmsl9w\"\u003e\n\u003cstrong data-end=\"1205\" data-start=\"1178\"\u003eHeavy-Duty Construction\u003c\/strong\u003e engineered for dependable, long-lasting residential performance and extended motor life.\u003c\/li\u003e\n\u003cli data-end=\"1407\" data-start=\"1295\" data-section-id=\"wpoeo4\"\u003e\n\u003cstrong data-end=\"1323\" data-start=\"1297\"\u003eLow-Maintenance Design\u003c\/strong\u003e minimizes routine servicing while maintaining peak suction and cleaning efficiency.\u003c\/li\u003e\n\u003cli data-end=\"1562\" data-start=\"1408\" data-section-id=\"1fi79s2\"\u003e\n\u003cstrong data-end=\"1438\" data-start=\"1410\"\u003eExcellent for Pet Owners\u003c\/strong\u003e effectively lifts stubborn pet hair, pet dander, and embedded dirt from carpets, rugs, stairs, upholstery, and hard floors.\u003c\/li\u003e\n\u003cli data-end=\"1726\" data-start=\"1563\" data-section-id=\"jngtou\"\u003e\n\u003cstrong data-end=\"1607\" data-start=\"1565\"\u003eIdeal for Allergy-Conscious Households\u003c\/strong\u003e advanced filtration helps create a cleaner, healthier indoor environment by reducing airborne allergens and fine dust.\u003c\/li\u003e\n\u003cli data-end=\"1914\" data-start=\"1727\" data-section-id=\"1loqq73\"\u003e\n\u003cstrong data-end=\"1797\" data-start=\"1729\"\u003ePerfect for New Installations or Premium Central Vacuum Upgrades\u003c\/strong\u003e an excellent choice for replacing older power units or installing a high-performance built-in central vacuum system.\u003c\/li\u003e\n\u003cli data-is-last-node=\"\" data-end=\"2114\" data-start=\"1915\" data-section-id=\"ix01e3\"\u003e\n\u003cstrong data-end=\"1963\" data-start=\"1917\"\u003eBacked by Authorized MD Dealer Ace Vacuums\u003c\/strong\u003e for genuine MD central vacuum products, expert installation guidance, competitive pricing, fast nationwide shipping, and exceptional customer support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMD SilentMaster S900r 120 Volt Central Vacuum Power Unit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed for homeowners seeking premium whole-home cleaning without requiring a 240-volt electrical circuit. Installed remotely in a garage, basement, or utility room, the power unit keeps operating noise away from living areas while maintaining powerful, consistent suction throughout the home's central vacuum piping system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIts \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ehigh-performance 120V motor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides outstanding airflow for deep cleaning carpets, area rugs, hardwood floors, tile, laminate, luxury vinyl plank (LVP), and other sealed hard floor surfaces when paired with compatible MD hoses, electric powerheads, telescopic wands, and cleaning accessories.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe advanced filtration system captures dust, pollen, allergens, pet dander, and microscopic airborne particles, while the large-capacity dirt collection system supports extended cleaning sessions with reduced maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePurchase confidently from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAuthorized MD Dealer Ace Vacuums\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, your trusted source for genuine MD central vacuum systems, replacement parts, and accessories.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eExpert Recommendation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOur central vacuum specialists recommend the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMD SilentMaster S900r\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for homeowners seeking exceptional cleaning performance with ultra-quiet operation using standard household electrical service.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eRecommended for:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eLarge homes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMulti-story homes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePet owners\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAllergy-sensitive households\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLuxury residences\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNew home construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCentral vacuum upgrades\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEveryday residential cleaning\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eBest For\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eLarge homes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWhole-home cleaning\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCarpeted homes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHardwood floors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTile flooring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLuxury Vinyl Plank (LVP)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePet owners\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAllergy sufferers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUltra-quiet cleaning\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium residential central vacuum systems\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eNot Ideal For\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eApartments without central vacuum piping\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHomes requiring maximum commercial-grade 240V performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePortable vacuum users\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHomes without built-in central vacuum piping\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eHigh-performance 120-volt motor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUltra-quiet SilentMaster technology\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePowerful whole-home suction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdvanced filtration system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarge-capacity dirt collection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeavy-duty construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLow-maintenance operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong motor service life\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with MD central vacuum accessories\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent airflow performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePremium residential cleaning\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngineered for long-term reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Makes This Model Stand Out\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSilentMaster S900r\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e combines \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ehigh-powered 120-volt performance\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with advanced sound-dampening technology to provide one of the quietest residential central vacuum experiences available. It delivers powerful cleaning performance while operating on standard household electrical service, making it an excellent choice for homeowners who want premium performance without requiring a dedicated 240-volt circuit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Comparisons\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMD SilentMaster S900r vs Traditional Upright Vacuum\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eMD SilentMaster S900r\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eWhole-home central vacuum\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePowerful continuous suction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUltra-quiet operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved indoor air quality\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarge dirt capacity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMinimal maintenance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eTraditional Upright Vacuum\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003ePortable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLouder operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmaller dust container\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFrequent emptying\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLimited cleaning coverage\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eMD SilentMaster S900r vs Standard Central Vacuum\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eSilentMaster S900r\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003ePremium 120V motor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdvanced sound reduction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigher airflow\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBetter filtration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for larger homes\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eStandard Central Vacuum\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eStandard suction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConventional noise levels\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAverage filtration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGeneral residential performance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eQuestions Buyers Commonly Ask\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eIs the MD SilentMaster S900r good for pet hair?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes. When paired with compatible MD electric powerheads, it effectively removes pet hair, pet dander, and embedded debris from carpets and hard floors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhy choose the SilentMaster Series?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSilentMaster systems combine powerful suction with advanced sound insulation to create one of the quietest and most comfortable whole-home vacuuming experiences available.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWho benefits most from the SilentMaster S900r?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eLarge households, pet owners, allergy sufferers, and homeowners seeking premium cleaning performance with ultra-quiet operation on standard household power.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSilentMaster S900r\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePart Number\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eS1257NH\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCentral Vacuum Power Unit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVoltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120 Volts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInstallation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBuilt-In Central Vacuum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMotor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-Performance 120V Motor\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFiltration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAdvanced Filtration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCollection System\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLarge-Capacity Dirt Collection\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFloor Compatibility\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCarpet \u0026amp; Sealed Hard Floors\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRecommended Home Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLarge Homes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAuthorized Dealer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAce Vacuums\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eIdeal Buyers\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePerfect for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eLarge households\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePet owners\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAllergy-conscious families\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLuxury homes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHomeowners replacing older central vacuum systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNew home construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuyers seeking quiet whole-home cleaning\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Buy from Ace Vacuums\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen you purchase from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAuthorized MD Dealer Ace Vacuums\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, you receive:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eGenuine MD central vacuum products\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExpert product recommendations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompetitive pricing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFast nationwide shipping\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutstanding customer support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfessional installation guidance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGenuine MD replacement parts and accessories\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eAvailable Online \u0026amp; In-Store\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMD Central SilentMaster S900r 120 Volt Central Vacuum Power Unit #S1257NH\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is available through \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAuthorized MD Dealer Ace Vacuums\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eShop Online\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eSecure online ordering\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFast nationwide shipping\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGenuine MD products\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSecure checkout\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExpert customer support\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eVisit Our Showrooms\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eVisit our Fairfax, VA and Leesburg, VA showroom locations to compare MD central vacuum systems, receive live demonstrations, and speak with experienced central vacuum specialists.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eComparison Table\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFeature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMD SilentMaster S900r\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard Residential Central Vacuum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVoltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120 Volts\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120 Volts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSuction Power\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePremium Performance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNoise Level\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUltra Quiet\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHome Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLarge Homes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAverage Homes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDirt Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLarge\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePet Hair Removal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eExcellent\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVery Good\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIndoor Air Quality\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAdvanced Filtration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDurability\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHeavy-Duty\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSupport\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAuthorized MD Dealer Ace Vacuums\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVaries\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003ePros and Cons\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003ePros\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003ePowerful 120V motor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUltra-quiet SilentMaster technology\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent whole-home suction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdvanced allergen filtration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for homes with pets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarge-capacity dirt collection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeavy-duty construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBacked by \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAuthorized MD Dealer Ace Vacuums\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eCons\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eRequires a built-in central vacuum system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfessional installation recommended for new systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLower maximum output than comparable 240V models\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eFAQs\u003c\/h5\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"29\" data-start=\"0\" data-section-id=\"1r8frcv\"\u003eFrequently Asked Questions\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch3 data-end=\"105\" data-start=\"31\" data-section-id=\"1iklhgt\"\u003e1. Is the MD Central SilentMaster S900r #S1257NH a genuine MD product?\u003c\/h3\u003e\n\u003cp data-end=\"301\" data-start=\"106\"\u003eYes. When you purchase from \u003cstrong data-end=\"170\" data-start=\"134\"\u003eAuthorized MD Dealer Ace Vacuums\u003c\/strong\u003e, you receive a genuine MD central vacuum power unit backed by expert customer support and trusted manufacturer-supported products.\u003c\/p\u003e\n\u003ch3 data-end=\"364\" data-start=\"303\" data-section-id=\"gjhayx\"\u003e2. Is the MD SilentMaster S900r suitable for large homes?\u003c\/h3\u003e\n\u003cp data-end=\"555\" data-start=\"365\"\u003eAbsolutely. The SilentMaster S900r is engineered to deliver powerful, consistent suction throughout large homes, providing exceptional whole-home cleaning performance across multiple floors.\u003c\/p\u003e\n\u003ch3 data-end=\"629\" data-start=\"557\" data-section-id=\"3u54l8\"\u003e3. Can the MD SilentMaster S900r clean both carpets and hard floors?\u003c\/h3\u003e\n\u003cp data-end=\"736\" data-start=\"630\"\u003eYes. When paired with compatible MD hoses, electric powerheads, and cleaning tools, it effectively cleans:\u003c\/p\u003e\n\u003cul data-end=\"865\" data-start=\"737\"\u003e\n\u003cli data-end=\"745\" data-start=\"737\" data-section-id=\"1uychy1\"\u003eCarpet\u003c\/li\u003e\n\u003cli data-end=\"757\" data-start=\"746\" data-section-id=\"102408c\"\u003eArea rugs\u003c\/li\u003e\n\u003cli data-end=\"775\" data-start=\"758\" data-section-id=\"1inhxov\"\u003eHardwood floors\u003c\/li\u003e\n\u003cli data-end=\"782\" data-start=\"776\" data-section-id=\"1j4crz0\"\u003eTile\u003c\/li\u003e\n\u003cli data-end=\"793\" data-start=\"783\" data-section-id=\"udcqdb\"\u003eLaminate\u003c\/li\u003e\n\u003cli data-end=\"820\" data-start=\"794\" data-section-id=\"7q45eo\"\u003eLuxury Vinyl Plank (LVP)\u003c\/li\u003e\n\u003cli data-end=\"865\" data-start=\"821\" data-section-id=\"1op2im7\"\u003eStone and other sealed hard floor surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"931\" data-start=\"867\" data-section-id=\"1h50dzv\"\u003e4. Is this central vacuum a good choice for homes with pets?\u003c\/h3\u003e\n\u003cp data-end=\"1130\" data-start=\"932\"\u003eYes. Its powerful 120-volt motor efficiently removes pet hair, pet dander, dirt, and embedded debris from carpets, rugs, upholstery, stairs, and hard floors when used with compatible MD accessories.\u003c\/p\u003e\n\u003ch3 data-end=\"1202\" data-start=\"1132\" data-section-id=\"xpd41i\"\u003e5. Is the MD SilentMaster S900r recommended for allergy sufferers?\u003c\/h3\u003e\n\u003cp data-end=\"1376\" data-start=\"1203\"\u003eYes. The advanced filtration system captures dust, pollen, allergens, pet dander, and other fine airborne particles, helping improve indoor air quality throughout your home.\u003c\/p\u003e\n\u003ch3 data-end=\"1447\" data-start=\"1378\" data-section-id=\"mvxxw4\"\u003e6. What are the benefits of a 120-volt central vacuum power unit?\u003c\/h3\u003e\n\u003cp data-end=\"1714\" data-start=\"1448\"\u003eA 120-volt central vacuum provides powerful whole-home cleaning while operating on standard household electrical service. It offers excellent suction, quiet performance, and easier installation than 240-volt systems while meeting the needs of most residential homes.\u003c\/p\u003e\n\u003ch3 data-end=\"1805\" data-start=\"1716\" data-section-id=\"iqi4o8\"\u003e7. What makes the SilentMaster Series different from standard central vacuum systems?\u003c\/h3\u003e\n\u003cp data-end=\"1987\" data-start=\"1806\"\u003eThe SilentMaster Series features advanced sound-reduction technology that delivers exceptionally quiet operation while maintaining powerful suction and premium cleaning performance.\u003c\/p\u003e\n\u003ch3 data-end=\"2069\" data-start=\"1989\" data-section-id=\"4zc61a\"\u003e8. Can the MD SilentMaster S900r replace an older central vacuum power unit?\u003c\/h3\u003e\n\u003cp data-end=\"2320\" data-start=\"2070\"\u003eIn many cases, yes. The SilentMaster S900r is commonly used to replace older MD and many compatible central vacuum systems. Compatibility with your existing piping, mounting hardware, and electrical connections should be verified before installation.\u003c\/p\u003e\n\u003ch3 data-end=\"2387\" data-start=\"2322\" data-section-id=\"113ltjm\"\u003e9. Does the MD SilentMaster S900r improve indoor air quality?\u003c\/h3\u003e\n\u003cp data-end=\"2639\" data-start=\"2388\"\u003eYes. Unlike many portable vacuums that recirculate dust into living areas, this central vacuum removes dust, allergens, and airborne particles through your home's central vacuum piping system, helping create a cleaner and healthier indoor environment.\u003c\/p\u003e\n\u003ch3 data-end=\"2716\" data-start=\"2641\" data-section-id=\"b68hq9\"\u003e10. Does this power unit require a standard 120-volt electrical outlet?\u003c\/h3\u003e\n\u003cp data-end=\"2880\" data-start=\"2717\"\u003eYes. The MD SilentMaster S900r is designed to operate on a \u003cstrong data-end=\"2816\" data-start=\"2776\"\u003estandard 120-volt electrical circuit\u003c\/strong\u003e, making it compatible with most residential electrical systems.\u003c\/p\u003e\n\u003ch3 data-end=\"2931\" data-start=\"2882\" data-section-id=\"nhvn2n\"\u003e11. Is professional installation recommended?\u003c\/h3\u003e\n\u003cp data-end=\"3117\" data-start=\"2932\"\u003eYes. Professional installation is recommended for new central vacuum systems. Experienced homeowners replacing an existing compatible unit may also be able to complete the installation.\u003c\/p\u003e\n\u003ch3 data-end=\"3185\" data-start=\"3119\" data-section-id=\"1qqs6zf\"\u003e12. How often should the dirt collection container be emptied?\u003c\/h3\u003e\n\u003cp data-end=\"3391\" data-start=\"3186\"\u003eThe frequency depends on your home's size, cleaning habits, and the amount of debris collected. The large-capacity dirt collection system requires less frequent emptying than most portable vacuum cleaners.\u003c\/p\u003e\n\u003ch3 data-end=\"3457\" data-start=\"3393\" data-section-id=\"txc2tr\"\u003e13. What maintenance does the MD SilentMaster S900r require?\u003c\/h3\u003e\n\u003cp data-end=\"3667\" data-start=\"3458\"\u003eRoutine maintenance includes emptying the dirt collection container, inspecting or replacing filters as recommended, and periodically checking the power unit to maintain peak suction and long-term performance.\u003c\/p\u003e\n\u003ch3 data-end=\"3737\" data-start=\"3669\" data-section-id=\"95ajuo\"\u003e14. Is the MD SilentMaster S900r built for long-term durability?\u003c\/h3\u003e\n\u003cp data-end=\"3923\" data-start=\"3738\"\u003eYes. It features heavy-duty construction, premium-quality components, and a high-performance motor engineered to provide years of dependable whole-home cleaning with proper maintenance.\u003c\/p\u003e\n\u003ch3 data-end=\"3988\" data-start=\"3925\" data-section-id=\"1wp5105\"\u003e15. Why should I buy from Authorized MD Dealer Ace Vacuums?\u003c\/h3\u003e\n\u003cp data-end=\"4252\" data-start=\"3989\"\u003ePurchasing from \u003cstrong data-end=\"4041\" data-start=\"4005\"\u003eAuthorized MD Dealer Ace Vacuums\u003c\/strong\u003e ensures you receive a genuine MD central vacuum power unit, expert product recommendations, competitive pricing, manufacturer-supported products, and exceptional customer service before and after your purchase.\u003c\/p\u003e\n\u003ch3 data-end=\"4330\" data-start=\"4254\" data-section-id=\"16hr6bi\"\u003e16. Does Ace Vacuums carry genuine MD replacement parts and accessories?\u003c\/h3\u003e\n\u003cp data-end=\"4543\" data-start=\"4331\"\u003eYes. \u003cstrong data-end=\"4372\" data-start=\"4336\"\u003eAuthorized MD Dealer Ace Vacuums\u003c\/strong\u003e offers genuine MD hoses, electric powerheads, attachment kits, filters, replacement parts, and accessories specifically designed for compatible MD central vacuum systems.\u003c\/p\u003e\n\u003ch3 data-end=\"4599\" data-start=\"4545\" data-section-id=\"11w2n3h\"\u003e17. Is the MD SilentMaster S900r energy efficient?\u003c\/h3\u003e\n\u003cp data-end=\"4819\" data-start=\"4600\"\u003eYes. The SilentMaster S900r is engineered to deliver exceptional cleaning performance while operating efficiently on standard 120-volt household power, making it an economical long-term solution for whole-home cleaning.\u003c\/p\u003e\n\u003ch3 data-end=\"4886\" data-start=\"4821\" data-section-id=\"16ddbea\"\u003e18. Can Ace Vacuums help me choose compatible MD accessories?\u003c\/h3\u003e\n\u003cp data-end=\"5154\" data-start=\"4887\"\u003eYes. The experts at \u003cstrong data-end=\"4943\" data-start=\"4907\"\u003eAuthorized MD Dealer Ace Vacuums\u003c\/strong\u003e can help you select compatible hoses, electric powerheads, telescopic wands, attachment kits, replacement filters, and other genuine MD accessories to maximize your central vacuum system's cleaning performance.\u003c\/p\u003e\n\u003ch3 data-end=\"5228\" data-start=\"5156\" data-section-id=\"1frnku4\"\u003e19. Is the MD SilentMaster S900r suitable for new home construction?\u003c\/h3\u003e\n\u003cp data-end=\"5393\" data-start=\"5229\"\u003eYes. The SilentMaster S900r is an excellent choice for new construction, custom homes, remodeling projects, and replacing older built-in central vacuum power units.\u003c\/p\u003e\n\u003ch3 data-end=\"5502\" data-start=\"5395\" data-section-id=\"1u9a14e\"\u003e20. Where can I purchase the MD Central SilentMaster S900r 120 Volt Central Vacuum Power Unit #S1257NH?\u003c\/h3\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"5804\" data-start=\"5503\"\u003eYou can purchase the \u003cstrong data-end=\"5601\" data-start=\"5524\"\u003eMD Central SilentMaster S900r 120 Volt Central Vacuum Power Unit #S1257NH\u003c\/strong\u003e online or in-store from \u003cstrong data-end=\"5662\" data-start=\"5626\"\u003eAuthorized MD Dealer Ace Vacuums\u003c\/strong\u003e, your trusted source for genuine MD central vacuum systems, replacement parts, accessories, competitive pricing, and expert customer support.\u003c\/p\u003e","brand":"MD","offers":[{"title":"Default Title","offer_id":45198334427317,"sku":"S1257NH","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0575\/6751\/0709\/files\/SM_100_3.jpg?v=1742571051","url":"https:\/\/acevacuums.com\/products\/md-silentmaster-s900r-120v-central-vacuum-s1257nh","provider":"Ace Vacuums","version":"1.0","type":"link"}