Pentair T40BW Autofill - White, T40BW

What This Part Is Used For
The Pentair T40BW Autofill White automatically maintains proper water level in pools and spas. It replaces water lost to evaporation and splash-out using a mechanical float system.

Why This Part Matters
Low water levels can cause skimmers to draw air and pumps to lose prime. An autofill reduces manual filling and helps stabilize daily operation. Maintaining consistent water level also protects tile lines and circulation equipment.

Key Features and Specifications

• Pentair manufacturer part number: T40BW
• Autofill Assembly
• White finish
• Mechanical float-operated water control
• For pool and spa water level regulation

Installation and Fitment Guidance
Install in a compatible autofill housing and connect to a regulated water supply line. Verify proper float adjustment during startup. Confirm by manufacturer part number before ordering.

About the Pentair Brand
Pentair manufactures pool circulation, plumbing, and water management systems used in residential and commercial installations. Their autofill components are widely specified in new construction and remodel projects. Pentair replacement parts are built to match original equipment standards. Service professionals rely on Pentair for proper integration and fit.

Common Service Context
Commonly installed during new pool construction or deck renovations. Frequently replaced when float mechanisms fail or water levels fluctuate unexpectedly.