Pentair Automatic Water Filler w/ Fluidmaster Valve, White | T40FW

Pentair SKU: PENT40FW
Pentair Automatic Water Filler w/ Fluidmaster Valve, White | T40FW - Autofill - img - 1

Pentair Automatic Water Filler w/ Fluidmaster Valve, White | T40FW

Pentair SKU: PENT40FW
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Pentair T40FW Autofill Automatic Water Filler – White Lid

The Pentair T40FW Automatic Water Filler is designed to maintain the proper water level in in-ground pools by automatically adding water when levels drop and providing overflow protection when levels rise.

Key Features

  • Includes a dependable Fluidmaster® float valve for reliable operation.
  • White UV-resistant housing for clean, durable deck appearance.
  • Prevents low-water damage to pumps and equipment and avoids over-filling and landscape damage.
  • Easy to install in new pool builds or retrofit existing systems.

Technical Specifications

  • Model/Part Number: T40FW
  • Housing Finish: White
  • Application: Automatic water level control for in-ground pools.

Installation & Usage Notes

Install the filler body in the pool deck per manufacturer instructions, ensuring the top of the bucket is flush with the bond beam. Connect the incoming water line and adjust the float valve for the correct level. Inspect that overflow is properly routed and test the system operation before leaving the installation.

Maintenance Tips

  • Inspect the valve and float annually for debris or buildup that may hinder operation.
  • Check that the overflow path is clear and the housing remains flush to the deck surface.
  • Keep spare valve components on hand for quick field servicing and minimal downtime.

Why Choose This Autofill?

For pool service professionals and homeowners, the T40FW provides an effective, low-maintenance solution to protect pool equipment and maintain correct water levels. Its OEM design and service-friendly features make it a smart choice for stock and service calls.

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.
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