Hayward H-Series Bulb Well After 6/1/01 (HAXTBW1930) pallighting The Magna Flow design helps

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

the valve can lose the clean separation and control it was designed to provide

and general system response while keeping the spa feeling natural to use

Supports reliable control communication across long distances

Hayward H-Series Bulb Well After 6/1/01 (HAXTBW1930) pallighting The Magna Flow design helpsDesigned 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