Avnan Dual Motor 15 Amp 120V Circuit Board for MD Central Vacuum – Part# 235M

Avnan Dual Motor 15 Amp 120V Circuit Board for MD Central Vacuum – Part# 235M

Available: In Stock
$69.34
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Quick Summary

This replacement control module circuit board is for 110 volt dual motor central vacuums under 16 amps. It includes the relay, transformer, two 10 amp mini breakers, and two pairs of low voltage leads.

Available from Ace Vacuums, with help matching parts to your MD central vacuum system at our Fairfax and Leesburg, VA showrooms.

Quick Highlights

  • For 110 volt dual motor vacuums under 16 amps
  • Includes relay and transformer
  • Includes two 10 amp mini breakers
  • Includes two pairs of low voltage leads
  • Reset buttons and low voltage stems are threaded
  • External mounting nuts are included

Product Overview

This control module circuit board is designed for 110 volt, dual motor central vacuums drawing under 16 amps. The board includes the relay, transformer, two 10 amp mini breakers, and two pairs of low voltage leads needed on the assembly.

The circuit board measures 2 inches high from the board to the top of the reset button. The reset buttons and low voltage stems are threaded to attach through openings in the vacuum exterior, and the external mounting nuts are included.

This part is listed for select MD central vacuum models and also notes compatibility with Modern Day, SilentMaster, Flo-Master, Nutone, and Eureka. This board does not work on all vacuums, and quarter inch male or female spade terminals are not included.


Key Features

  • Dual motor application: Made for 110 volt dual motor central vacuums under 16 amps.
  • Complete control module components: Includes the relay, transformer, two 10 amp mini breakers, and two pairs of low voltage leads.
  • Threaded reset buttons: The reset buttons are threaded to mount through the exterior openings of the vacuum.
  • Threaded low voltage stems: The low voltage stems are threaded and attach through the vacuum exterior.
  • Mounting nuts included: External mounting nuts for the reset buttons and low voltage stems are included.
  • Low profile height: The assembly is 2 inches high from the board to the top of the reset button.
  • Check wiring and fit first: This board does not work on all vacuums, and quarter inch male or female spade terminals are not included.

MD Compatibility

This part is listed as the match for these MD central vacuum power units:

  • MD B2 (120V)
  • MD E2 (120V)
  • MD QE2 (120V)

Check the model number on your power unit label before ordering. Our team can confirm the match if you are unsure.


Technical Specifications

Specification Details
Brand Avnan
Part number 235M
Voltage 110 volt / 120V
Motor configuration Dual motor
Amp rating 15 amp
Vacuum application Under 16 amp central vacuums
Board height 2 inches from board to top of reset button
Includes Relay, transformer, two 10 amp mini breakers, two pairs of low voltage leads
Mounting hardware External mounting nuts included
Terminal note Quarter inch male or female spade terminals are not included
Compatibility note Includes: Modern Day, SilentMaster, Flo-Master, Nutone and Eureka
MD models this part fits MD B2 (120V), MD E2 (120V), MD QE2 (120V)
Authorized Dealer Ace Vacuums

Best For

  • Replacing a failed control board in a 110 volt dual motor unit
  • MD central vacuum models MD B2 (120V), MD E2 (120V), and MD QE2 (120V)
  • Systems needing a board with relay, transformer, and reset breakers included
  • Repairs where threaded reset buttons and low voltage stems are required

Not Ideal For

  • Not for every vacuum model
  • Not for systems that need quarter inch male or female spade terminals included
  • Not for buyers who have not confirmed voltage, amp range, and model fit

Why Buy from Ace Vacuums

When you purchase from Ace Vacuums, you receive:

  • Central vacuum parts matched to your MD system
  • Help choosing the right hose, tools and inlet parts
  • Knowledgeable support before and after the sale
  • Shipping or pickup at our Fairfax and Leesburg showrooms

Available Online & In-Store

The Avnan Dual Motor 15 Amp 120V Circuit Board for MD Central Vacuum is available online and in-store through Ace Vacuums.

Visit Our Showrooms

  • Fairfax, VA: 11110 Main St, Fairfax, VA 22030
  • Leesburg, VA: 300 Fort Evans Rd NE, Leesburg, VA 20176

Call 703-997-9292 (ext. 1 Fairfax, ext. 2 Leesburg).


Quick Summary

This replacement control module circuit board is for 110 volt dual motor central vacuums under 16 amps. It includes the relay, transformer, two 10 amp mini breakers, and two pairs of low voltage leads.

Available from Ace Vacuums, with help matching parts to your MD central vacuum system at our Fairfax and Leesburg, VA showrooms.

Quick Highlights

  • For 110 volt dual motor vacuums under 16 amps
  • Includes relay and transformer
  • Includes two 10 amp mini breakers
  • Includes two pairs of low voltage leads
  • Reset buttons and low voltage stems are threaded
  • External mounting nuts are included

Product Overview

This control module circuit board is designed for 110 volt, dual motor central vacuums drawing under 16 amps. The board includes the relay, transformer, two 10 amp mini breakers, and two pairs of low voltage leads needed on the assembly.

The circuit board measures 2 inches high from the board to the top of the reset button. The reset buttons and low voltage stems are threaded to attach through openings in the vacuum exterior, and the external mounting nuts are included.

This part is listed for select MD central vacuum models and also notes compatibility with Modern Day, SilentMaster, Flo-Master, Nutone, and Eureka. This board does not work on all vacuums, and quarter inch male or female spade terminals are not included.


Key Features

  • Dual motor application: Made for 110 volt dual motor central vacuums under 16 amps.
  • Complete control module components: Includes the relay, transformer, two 10 amp mini breakers, and two pairs of low voltage leads.
  • Threaded reset buttons: The reset buttons are threaded to mount through the exterior openings of the vacuum.
  • Threaded low voltage stems: The low voltage stems are threaded and attach through the vacuum exterior.
  • Mounting nuts included: External mounting nuts for the reset buttons and low voltage stems are included.
  • Low profile height: The assembly is 2 inches high from the board to the top of the reset button.
  • Check wiring and fit first: This board does not work on all vacuums, and quarter inch male or female spade terminals are not included.

MD Compatibility

This part is listed as the match for these MD central vacuum power units:

  • MD B2 (120V)
  • MD E2 (120V)
  • MD QE2 (120V)

Check the model number on your power unit label before ordering. Our team can confirm the match if you are unsure.


Technical Specifications

Specification Details
Brand Avnan
Part number 235M
Voltage 110 volt / 120V
Motor configuration Dual motor
Amp rating 15 amp
Vacuum application Under 16 amp central vacuums
Board height 2 inches from board to top of reset button
Includes Relay, transformer, two 10 amp mini breakers, two pairs of low voltage leads
Mounting hardware External mounting nuts included
Terminal note Quarter inch male or female spade terminals are not included
Compatibility note Includes: Modern Day, SilentMaster, Flo-Master, Nutone and Eureka
MD models this part fits MD B2 (120V), MD E2 (120V), MD QE2 (120V)
Authorized Dealer Ace Vacuums

Best For

  • Replacing a failed control board in a 110 volt dual motor unit
  • MD central vacuum models MD B2 (120V), MD E2 (120V), and MD QE2 (120V)
  • Systems needing a board with relay, transformer, and reset breakers included
  • Repairs where threaded reset buttons and low voltage stems are required

Not Ideal For

  • Not for every vacuum model
  • Not for systems that need quarter inch male or female spade terminals included
  • Not for buyers who have not confirmed voltage, amp range, and model fit

Why Buy from Ace Vacuums

When you purchase from Ace Vacuums, you receive:

  • Central vacuum parts matched to your MD system
  • Help choosing the right hose, tools and inlet parts
  • Knowledgeable support before and after the sale
  • Shipping or pickup at our Fairfax and Leesburg showrooms

Available Online & In-Store

The Avnan Dual Motor 15 Amp 120V Circuit Board for MD Central Vacuum is available online and in-store through Ace Vacuums.

Visit Our Showrooms

  • Fairfax, VA: 11110 Main St, Fairfax, VA 22030
  • Leesburg, VA: 300 Fort Evans Rd NE, Leesburg, VA 20176

Call 703-997-9292 (ext. 1 Fairfax, ext. 2 Leesburg).


Frequently Asked Questions

What does this circuit board include?

It includes the relay, transformer, two 10 amp mini breakers, and two pairs of low voltage leads.

What type of vacuum is this board for?

It is for 110 volt, dual motor central vacuums under 16 amps.

How tall is the board assembly?

It is 2 inches high from the board to the top of the reset button.

Are the reset buttons and low voltage stems mounted through the vacuum exterior?

Yes. The reset buttons and low voltage stems are threaded and attach through openings in the vacuum exterior.

Are mounting nuts included?

Yes. External mounting nuts for the reset buttons and low voltage stems are included.

Are spade terminals included with this board?

No. Quarter inch male or female spade terminals are not included.

Which MD central vacuum models is this part listed for?

It is listed for MD B2 (120V), MD E2 (120V), and MD QE2 (120V).

Will this fit my MD central vacuum?

It fits certain MD central vacuum models, including MD B2 (120V), MD E2 (120V), and MD QE2 (120V), but this board does not work on all vacuums. Confirm your model and electrical requirements before ordering.

Visit Our Showrooms

Check real-time traffic and travel time from your location in VA, DC, or MD.

📍 AceVacuums Fairfax (DMV Hub)

Address: 11110 Main St, Fairfax, VA 22030
Landmark: Opposite Havertys Furniture Store
Best for: Bethesda, Potomac, Arlington, NW Washington D.C.

Get Real-Time Traffic & Directions

📍 AceVacuums Leesburg

Address: 300 Fort Evans Rd NE, Suite 104, Leesburg, VA 20176
Landmark: Next to Home Depot in Leesburg
Best for: Ashburn, Sterling, Frederick MD, Loudoun County

Get Real-Time Traffic & Directions

Shipping, Return & Refund Policy

Shipping Policy

In-stock merchandise generally ships from our Leesburg, Virginia location within 3–5 business days. Processing time is separate from carrier transit time and is not a guaranteed delivery date. Weekends and holidays can affect timing. Special-order, backordered or unavailable items may take longer; contact us to confirm timing before purchase when a deadline matters.

Shipping options and charges are shown at checkout. After dispatch, follow the carrier's tracking updates. Weather, carrier delays, order verification and inventory confirmation may affect delivery. Inspect packages promptly and retain packaging if there is damage or an incorrect or missing item.

Returns and refunds

Eligible unused items have a 30-calendar-day return request window for refunds or exchanges, measured from delivery or in-store purchase. Return authorization is required. Final-sale exclusions, the 15% restocking fee for change-of-mind returns and shipping responsibilities are explained in our Return and Refund Policy. That policy is the governing source for return eligibility and fees.

For shipping or return help, email sales@acevacuums.com or call 703-997-9292.


30-Day Returns, Refunds and Exchanges

Updated September 27, 2026. Request a return for an eligible unused item within 30 calendar days of delivery (or purchase for items collected in store). Eligible returns may be refunded to the original payment method or exchanged, subject to availability. The same 30-day request window applies to both refunds and exchanges; there is no separate seven-day or 15-day refund deadline.

Eligibility and authorization

Items must be unused, clean, complete and in their original packaging with all accessories, manuals and proof of purchase. Contact sales@acevacuums.com or 703-997-9292 before sending anything back. Include your order number, item and reason for return. We will confirm eligibility, charges and return instructions. Unapproved or cash-on-delivery returns are not accepted.

Fees and shipping

For an approved change-of-mind return, a 15% restocking fee applies to the returned merchandise price. Original shipping charges are not refundable and the customer pays return shipping. These charges do not apply to an approved return caused by our shipping error or a damaged/defective item claim. Contact us first so we can arrange the appropriate remedy and shipping instructions. Do not assume a prepaid label is included.

Final-sale and excluded items

Air purifiers; discounted, clearance, trade-in, holiday-sale and price-matched purchases; gift cards; custom or special-order products; electrical parts; used or installed items; opened cleaning solutions; and used bags, filters, belts or other consumables are not eligible for change-of-mind returns. Other items clearly marked final sale at purchase are also excluded. An opened box alone does not disqualify an otherwise eligible unused, complete item, but consumables and cleaning solutions must remain unopened.

Damaged, defective, incorrect or missing items; recalls

Inspect your order promptly and contact us as soon as you discover a problem, with your order number and photos where helpful. Keep the packaging. Change-of-mind exclusions and deadlines do not remove applicable defect, warranty, recall or statutory rights. Warranty coverage requires evaluation under the manufacturer's terms; dealer status does not guarantee free repair. Recalled products must follow the manufacturer's recall process.

Refund timing and exchanges

After we receive and inspect the return, we will notify you of approval or the reason it cannot be accepted. Approved refunds are issued to the original payment method within 10 business days of approval; your bank may take additional time to post them. Contact us if more than 15 business days have passed since approval. Exchanges require authorization and replacement availability; any price difference and applicable charges will be explained before processing.

Applicable rights and earlier purchases

This policy applies to online and in-store purchases. We will honor more favorable written return terms provided with an earlier purchase. Applicable consumer rights remain unaffected. Where the European Union 14-day cancellation right applies, customers may cancel or return eligible orders within 14 days of receipt, subject to applicable legal exceptions, without giving a reason.


The DMV’s Trusted Vacuum Service Authority

For 25+ years, Ace Vacuums has filled the gap left by big-box retailers. We provide the expert repairs, warranty support, and genuine OEM parts that Amazon and Walmart simply don't offer. From free estimates to same-day service, we are your local alternative for professional home care solutions.

Expert Repairs

  • • Vacuum Belt & Roller Repair
  • • Motor Service & Replacement
  • • Suction Loss & Clog Removal
  • • HEPA Filter & Bag Replacement
  • • Central Vacuum Installation
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Conveniently serving Washington D.C. and Maryland (Montgomery & Prince George's Counties). Our showrooms are just 20 minutes from DC and 10 minutes from Tysons Corner.

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Serving Zip Codes: 20147, 20176, 22030, 22031, 20151, 20190, 22102, 22314, 20110, 20148 & surrounding areas. All repairs performed by certified technicians using genuine parts.