Hayward H-Series Bulb Well After 6/1/01 (HAXTBW1930) pallighting A properly selected cartridge pack

A properly selected cartridge pack helps restore intended filtration support and contributes to a cleaner maintenance cycle

Useful for repair and replacement work

The Magna Flow design helps preserve the intended seat character of the original setup

When the existing cartridge has reached the end of its service life

and internal path that works with the motor to move water

Hayward H-Series Bulb Well After 6/1/01 (HAXTBW1930) pallighting A properly selected cartridge packDesigned for Hayward H Series heaters built after June 1, 2001, this bulb well provides the protective pocket needed for proper sensing component placement inside the heater assembly. It helps shield the sensing bulb from direct exposure while still allowing accurate temperature response, making it an important part when restoring dependable heater operation. A worn, damaged, or corroded bulb well can affect serviceability and should be replaced with