Pentair T40FBK Autofill - Fieldmaster Black, T40FBK

What This Part Is Used For
The Pentair T40FBK Autofill Fieldmaster Black is used to maintain automatic water level in pools. It integrates into the deck area and connects to a fill line.

Why This Part Matters
Stable water level prevents air from entering the skimmer and pump. Replacing a faulty autofill prevents overfilling or low water issues. Proper level control supports heater and filtration performance.

Key Features and Specifications

• Pentair manufacturer part number: T40FBK
• Autofill unit
• Fieldmaster black finish
• Automatic water level control system
• Deck mounted installation

Installation and Fitment Guidance
Install flush with deck surface and verify float adjustment. Ensure supply line pressure is appropriate. Confirm by manufacturer part number before ordering.

About the Pentair Brand
Pentair manufactures pool automation and water control equipment trusted by builders and service professionals. Their autofill systems are common in modern pool installations. Pentair replacement parts maintain system integrity.

Common Service Context
This unit is typically replaced during leak repairs or float failures. It is often installed during pool upgrades.