Ametek Lamb Motor Stationary Fan Part #31231

Ametek Lamb Motor Stationary Fan – Part #31231

OEM-Quality Replacement for 5.7" Vacuum Motors

Product Introduction

Keep your vacuum motor running at peak efficiency with the Ametek Lamb Stationary Fan – Part #31231. This genuine replacement part is engineered to fit a wide range of Ametek Lamb 5.7" vacuum motors, delivering consistent airflow and superior reliability. Whether you're repairing a commercial vacuum or a central vac system, this stationary fan is the go-to solution for professionals and DIYers alike.

Key Features Overview

• ✅ OEM-Compatible Replacement – Precisely manufactured to match Ametek Lamb motor specs.

• ✅ Durable Construction – Built from high-quality molded plastic for long-term performance.

• ✅ Easy to Install – Slip-on design fits standard 5.7” motors with no special tools required.

• ✅ Reliable Performance – Maintains optimal airflow and cooling for vacuum motor efficiency.

• ✅ Made in the USA – Manufactured to high standards with proven quality control.

What Makes This Model Stand Out

The Ametek Lamb 31231 stationary fan stands out due to its exact OEM design, ensuring a perfect fit without modifications. It’s compatible with dozens of Ametek motor models, including legacy and newer systems. Unlike generic aftermarket fans, the 31231 is precision-molded for balance, reducing vibration and extending motor life. It’s a trusted choice for technicians who demand durability and consistency.

Technical Specifications

Ideal Buyers – Who Should Buy It?

This product is ideal for:

• 🧰 Vacuum Repair Technicians – Needing reliable OEM parts for repairs.

• 🏭 Industrial Maintenance Teams – Ensuring uptime of cleaning equipment.

• 🏠 Homeowners – Repairing or upgrading central vacuum systems.

• 🛒 Retailers and Distributors – Stocking a frequently requested replacement part.

• 🛠 DIY Enthusiasts – Looking for plug-and-play replacement parts for Ametek vacuum motors.

Availability – Online and In-Store

🛍 Buy Online:

• In stock and ready to ship from multiple U.S. Options for ground shipping .

• Most stores offer free U.S. shipping and bulk order discounts.

🏬 In-Store:

• Available through select appliance repair outlets and industrial supply stores.

• Use your ZIP code to check local availability.

Comparison Table

Pros and Cons

✅ Pros:

• Exact fit for OEM motors

• Cost-effective part replacement

• Easy installation

• U.S.-made, high-quality material

• Compatible with a broad range of motor models

⚠️ Cons:

• Plastic may not suit extreme industrial conditions

• Only fits 5.7" Ametek motors

• Does not include mounting hardware (reuses existing parts)

Frequently Asked Questions 

1. Will this fan fit my 5.7" Ametek motor?
   Yes, if your motor model is listed in the compatibility list. Always verify your motor's part number.

2. What does a stationary fan do in a vacuum motor?
   It directs airflow for motor cooling and suction efficiency.

3. Is this an original Ametek part?
   Yes, this is an OEM-compatible stationary fan made to Ametek Lamb specs.

4. How do I install the 31231 fan?
   Simply slide it onto the motor shaft. It’s a friction-fit and may require securing with a retaining clip.

5. What’s the diameter of the fan?
   Approximately 4.125 inches (fits in a 5.7” motor housing).

6. Is the fan pre-balanced?
   Yes, it’s molded to exact tolerances to prevent vibration.

7. Can this fan reduce motor noise?
   Not specifically—choose part #31358 or 31253 if quieter operation is a priority.

8. Does it include mounting hardware?
   No, reuse your motor’s original clip or fastener.

9. Can I use this on a 7.2” Ametek motor?
   No, this fan is only compatible with 5.7” motor models.

10. Is epoxy coating available?
    Yes, choose part #31340 for an epoxy-coated version.

11. Where is it made?
    Manufactured in the USA to strict quality standards.

12. Do I need a technician to install it?
    No, installation is simple and suitable for DIY repair.

13. What happens if it’s not compatible?
    Most retailers offer returns/refunds—check their policies before purchase.

14. How long does it last?
    Under normal conditions, this fan lasts the full lifespan of the motor.

15. Can it be used in central vacuum systems?
    Yes, it is widely used in residential and commercial central vacuum systems using Ametek motors.

Ace Vacuums Locations:

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

Driving Directions to Ace Vacuums in Fairfax, VA (11110 Main Street, Fairfax, VA 22030)

From Maryland (e.g., Bethesda, Silver Spring, Rockville):

1. Start on I-495 S (Capital Beltway Inner Loop): Head south on I-495 towards Northern Virginia.
2. Take Exit 45 A-B for VA-267 W (Dulles Toll Road): Follow signs for VA-267 West (Dulles Toll Road). Be aware this is a toll road.
3. Continue on VA-267 W: Stay on the Dulles Toll Road for several miles.
4. Take Exit 16 for VA-7 E (Leesburg Pike) / VA-123 S (Chain Bridge Rd): Follow signs for VA-123 South (Chain Bridge Rd).
5. Merge onto VA-123 S (Chain Bridge Rd): Continue south on Chain Bridge Road.
6. Turn Right onto Main Street (VA-236 W): This will be a significant intersection. You'll continue on Main Street for a short distance.
7. Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store. Look for their prominent signage.

From Washington D.C. (e.g., Downtown D.C.):

1. Take I-66 W toward Vienna/Centreville/Fairfax: Get onto I-66 West.
2. Take Exit 60 for VA-123 S (Chain Bridge Rd) toward Fairfax: Follow the exit ramp.
3. Turn Right onto VA-123 S (Chain Bridge Rd): Continue south on Chain Bridge Road.
4. Turn Right onto Main Street (VA-236 W): This will be a significant intersection.
5. Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store.

From Northern Virginia (e.g., Arlington, Falls Church, Vienna):

• From Arlington/Falls Church:
  1. Take US-50 W (Arlington Blvd) or VA-236 W (Main Street) directly into Fairfax: Depending on your starting point, either of these roads will lead you directly to Fairfax.
  2. Continue on Main Street (VA-236 W):
  3. Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store.
• From Vienna:
  1. Take VA-123 S (Chain Bridge Rd) toward Fairfax: Head south on Chain Bridge Road.
  2. Turn Right onto Main Street (VA-236 W):
  3. Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store.
• From Areas West/Northwest of Fairfax (e.g., Chantilly, Centreville):
  1. Take US-50 E or I-66 E towards Fairfax.
  2. If on I-66 E, take Exit 60 for VA-123 S (Chain Bridge Rd). Turn left onto Chain Bridge Rd, then right onto Main Street.
  3. If on US-50 E, turn right onto Main Street (VA-236 E) in Fairfax.
  4. Ace Vacuums Fairfax: Ace Vacuums will be on your right side if coming from US-50 E/VA-236 E, shortly after crossing VA-123. Look for Havertys Furniture Store on your left.

Driving Directions to Ace Vacuums in Leesburg, VA (300 Fort Evans Rd NE, Leesburg, VA 20176)

From Maryland (e.g., Bethesda, Silver Spring, Rockville):

1. Start on I-495 S (Capital Beltway Inner Loop): Head south on I-495 towards Northern Virginia.
2. Take Exit 45 A-B for VA-267 W (Dulles Toll Road): Follow signs for VA-267 West (Dulles Toll Road). Be aware this is a toll road.
3. Continue on VA-267 W (Dulles Toll Road/Dulles Greenway): Stay on VA-267 West. This road transitions from the Dulles Toll Road to the Dulles Greenway as you head further west into Loudoun County. Tolls apply for both sections.
4. Take Exit 1A for VA-7 W (Harry Byrd Hwy) toward Leesburg: This is a major exit.
5. Continue on VA-7 W: You'll drive for several miles, passing through Sterling and Ashburn.
6. Take the Exit for Battlefield Parkway / Fort Evans Road: As you approach Leesburg, look for this exit.
7. Turn Right onto Fort Evans Rd NE: After exiting, turn right onto Fort Evans Road NE.
8. Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot, and directly across from the Leesburg Premium Outlets.

From Washington D.C. (e.g., Downtown D.C.):

1. Take I-66 W toward Vienna/Centreville: Get onto I-66 West.
2. Merge onto VA-267 W (Dulles Toll Road): Follow signs for VA-267 West (Dulles Toll Road). Tolls apply.
3. Continue onto VA-267 W (Dulles Greenway): Stay on the Dulles Greenway. Tolls apply.
4. Take Exit 1A for VA-7 W (Harry Byrd Hwy) toward Leesburg:
5. Continue on VA-7 W:
6. Take the Exit for Battlefield Parkway / Fort Evans Road:
7. Turn Right onto Fort Evans Rd NE:
8. Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot, and directly across from the Leesburg Premium Outlets.

From Northern Virginia (e.g., Fairfax, Arlington, Ashburn, Sterling):

• From Fairfax:
  1. Take VA-123 N (Chain Bridge Rd) to access VA-267 W (Dulles Toll Road) or take I-66 W to VA-267 W: Your best bet is to get onto VA-267 West (Dulles Toll Road).
  2. Continue on VA-267 W (Dulles Toll Road/Dulles Greenway): Tolls apply.
  3. Take Exit 1A for VA-7 W (Harry Byrd Hwy) toward Leesburg:
  4. Continue on VA-7 W:
  5. Take the Exit for Battlefield Parkway / Fort Evans Road:
  6. Turn Right onto Fort Evans Rd NE:
  7. Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot, and directly across from the Leesburg Premium Outlets.
• From Ashburn / Sterling / Eastern Loudoun County:
  1. Take VA-7 W (Harry Byrd Hwy) directly toward Leesburg: This is the most direct route.
  2. Take the Exit for Battlefield Parkway / Fort Evans Road:
  3. Turn Right onto Fort Evans Rd NE:
  4. Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot, and directly across from the Leesburg Premium Outlets.
• From Western Virginia (e.g., Winchester):
  1. Take US-7 E (Harry Byrd Hwy) toward Leesburg:
  2. In Leesburg, after passing the Leesburg Premium Outlets on your left, prepare for the Fort Evans Road / Battlefield Parkway exit.
  3. Take the Exit for Fort Evans Road / Battlefield Parkway.
  4. Turn Left onto Fort Evans Rd NE: You'll go over VA-7.
  5. Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot.

Shipping Policy

Return Policy

Ace Vacuums is not responsible for any defective items or shortages in shipments not reported to us within seven days from the time of delivery. All returned items will be inspected for usage, damage, or missing parts from the original package to determine the restocking fee. When you buy a product and find that it is not what you need, you can exchange it within 30 days with the original packaging unused or return your purchase within seven days for a full refund unused from the day the item was delivered. A restocking fee may be applied of up to 50% for used goods. All goods purchased at a discounted price, including trade-ins, holiday sales, or price-match, are considered FINAL SALE goods and therefore are NOT eligible for return. ​No Returns on Air Purifiers. No Cash Refunds.