Hayward HAXTBW1930 Thermostat Bulb Well - Cotherm

What This Part Is Used For
The Hayward HAXTBW1930 Thermostat Bulb Well - Cotherm houses and protects the thermostat sensing bulb inside select Hayward heaters. It ensures accurate temperature sensing within the water passage.

Why This Part Matters
A damaged or corroded bulb well can cause inaccurate temperature readings or leaks. Proper sensor placement is critical for consistent heater cycling and water temperature control. Replacing the bulb well helps restore dependable thermostat operation.

Key Features and Specifications

• Manufacturer part number HAXTBW1930
• Thermostat bulb well
• Cotherm style component
• Used in select Hayward heater models
• Water-side temperature sensing housing

Installation and Fitment Guidance
This component installs into the heater water manifold and interfaces with the thermostat bulb. Confirm by manufacturer part number before ordering. Inspect sealing surfaces during replacement to prevent leaks.

About the Hayward Brand
Hayward heaters are engineered for accurate temperature control and steady performance. The company supplies model-specific replacement parts for reliable service repairs. Service professionals count on Hayward components to maintain safe water heating. Genuine parts help maintain system integrity.

Common Service Context
Bulb wells are typically replaced during thermostat failures or when leaks are found around the sensing area. This repair often occurs during heater rebuilds or seasonal start-ups.