CMP Skimmer Spring-Lock Weir Door, 8-3/8", White | 25141-440-000

CMP SKU: CMP25141440000
CMP Skimmer Spring - Lock Weir Door, 8 - 3/8", White | 25141 - 440 - 000 - Skimmer Parts - img - 1

CMP Skimmer Spring-Lock Weir Door, 8-3/8", White | 25141-440-000

CMP SKU: CMP25141440000
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CMP 25141-440-000 Spring-Lock Skimmer Weir Door (8-3/8″)

The CMP 25141-440-000 is a replacement spring-lock weir door designed to fit many common pool skimmers, including models like the SwimQuip U-3 and Hayward SP1070 series. It helps maintain proper skimming action by allowing surface water and debris to flow into the skimmer basket while preventing return flow — essential for keeping pools clean and circulation efficient.

Key Features

  • Spring-loaded weir door — opens automatically when water flows into the skimmer and closes when flow stops, preventing debris from floating back out.
  • 8-3/8″ width — fits standard skimmer openings that accept this size.
  • Durable, chemical- and UV-resistant construction — designed for long-term use in pool environments.
  • Direct replacement part — ready to install in compatible skimmer housings without modification.

Specifications

  • Manufacturer: Custom Molded Products (CMP)
  • Part Number: 25141-440-000
  • Type: Skimmer weir door (spring-lock style)
  • Size: 8-3/8″ wide (fits appropriate skimmer openings)
  • Compatibility: SwimQuip U-3 skimmers, Hayward SP1070 series, and other skimmers that use an 8-3/8″ weir door specification

When to Use / Replace

Install this weir door when the existing skimmer door is cracked, warped, missing, or fails to close properly — conditions which reduce skimmer efficiency or allow debris to escape. A properly functioning weir ensures consistent surface skimming, improving pool cleanliness and reducing load on the filtration system.

Installation & Maintenance Tips

  • Turn off the pump before servicing the skimmer. Remove the old weir and clean the mounting area thoroughly.
  • Snap the new spring-loaded weir door into the skimmer pivot slots — the spring-lock design ensures secure placement without extra hardware.
  • Check that the weir opens and closes smoothly and seals tightly when water flow stops.
  • Inspect annually for wear, cracking, or stiffness — replace if the weir no longer moves freely or fails to seal properly.

Hours Of Operation: 

Monday - Friday: 8:00 am to 4:00 pm Phoenix Time

Saturday and Sunday: Closed

  • Orders costing more than  $300 WILL be required to have signature confirmation upon delivery.
  • Handling time is typically only 1 day.   
  • Any item ordered after 1pm Phoenix time, may not ship same-day.
  • Call us if you require expedited shipping and we can give you quotes based on your needs.

Return Policy:

  • All products, except as noted below, are eligible for return up to 30 days after receipt of item.
  • For returns, an RMA form must be filled out HERE or customers can call for additional help.
  • Shipping costs will be deducted from all returned items.
  • Any item that is missing accessories, original packaging, or is not returned in the same condition that it was received in, may be subject to a re-stocking fee up to 100% based on the condition we receive it in. 
  • Items broken, damaged, or inoperable due to installer error will not be refunded.
  • Fill out the return form or give us a call to obtain an RMA and return shipping label.
  • There are no returns on the Pentair Colorsync 618031
  • No returns on pool cleaners.
  • No returns on opened seals and o-rings.
  • No returns on capacitors.
  • If a light is returned because it "doesn't work" and it tests fine, the cost to ship and a re-stocking fee will be deducted from the refund.
  • All products denied upon arrival at customers house WILL be charged the cost to ship.
  • Visa Gift Card Promotions: Gift cards are sent within 14 days of the order. When accepting the Visa Gift card, you agree that if your order is returned or refunded, this amount will be deducted from the refunded amount. All Visa Gift cards are sent via email in an E-Gift Card format and are non refundable.