Pentair Automatic Water Filler w/ Fluidmaster Valve, Almond | T40FB

The Pentair Automatic Water Filler T40FB is designed to maintain a consistent water level in in-ground pools and spas without manual intervention. Using a proven Fluidmaster float valve, this unit automatically adds water when levels drop, helping protect pumps, skimmers, and other pool equipment from damage caused by low water levels.

Key Features

Automatically maintains proper pool or spa water level
Includes a reliable Fluidmaster float valve for consistent operation
Helps prevent pump damage caused by low water conditions
Reduces overfilling and unnecessary water waste
Durable, chemical-resistant housing designed for outdoor pool environments
Almond-colored lid and ring blend well with many deck finishes
Simple mechanical operation with no electrical components

Specifications

Manufacturer: Pentair
Model Number: T40FB
Application: In-ground pools and spas
Valve Type: Fluidmaster float valve
Color: Almond
Housing Material: Corrosion-resistant polymer

Installation & Use

The Pentair T40FB is typically installed at deck level and connected to a water supply line. As the pool water level drops, the float activates the valve to add water automatically until the proper level is restored.

Maintenance Tips

Periodically inspect the float valve and housing for debris, scale buildup, or wear. Cleaning the valve and confirming smooth float movement will help ensure reliable operation and long service life.

Questions about returns? View our return policy.

Hours Of Operation:

Monday - Friday: 7:00 am to 5:00 pm Phoenix Time

Saturday: 8:00 am to 2:00 pm

Sunday: Closed

We do not ship on Saturday or Sunday.
Orders totaling more than $300 will require signature confirmation upon delivery.
We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
Expedited shipping options are available at checkout.

Return Policy:

Products that are received damaged will receive a refund in store credit.
Most products are eligible for return within 30 days of receipt, except where noted below.
To initiate a return, please complete an RMA form prior to sending your item back.
Original shipping costs are non-refundable and will be deducted from the return credit.
Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
Some returns will be charged an automatic 15% restocking fee.
We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
Please complete the return form to receive your RMA number and return shipping label.
Chemical products are not eligible for return under any circumstances.
The Pentair Colorsync 618031 is not eligible for return.
Pool cleaners are not eligible for return.
Opened seals and o-rings are not eligible for return.
Capacitors are not eligible for return.
Plastic popup tools are not eligible for return.
Automation components and circuit boards are not eligible for return.
If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.