Pentair T40BG Autofill - Gray, T40BG

What This Part Is Used For
The Pentair T40BG Autofill Gray maintains proper pool water level automatically. It compensates for evaporation through a mechanical float system.

Why This Part Matters
Consistent water level prevents suction issues and equipment strain. An autofill reduces manual filling and stabilizes operation. It supports reliable skimmer and pump performance.

Key Features and Specifications

• Pentair manufacturer part number: T40BG
• Autofill unit
• Gray finish
• For pool water level regulation
• Automatic float control mechanism

Installation and Fitment Guidance
Mount in compatible autofill housing and connect to approved supply line. Verify proper sealing and float adjustment. Confirm by manufacturer part number before ordering.

About the Pentair Brand
Pentair manufactures essential pool plumbing and circulation equipment. Their autofill systems are widely specified in residential builds. Pentair parts integrate with common pool layouts. Service professionals depend on Pentair for reliable performance.

Common Service Context
Often installed during pool construction. Replaced when float assemblies wear out or leak.