Hayward H-Series Thermostat Kit w/Knob (HAXTST1930) cfrfilters The Hayward CL200 and CL220

The Hayward CL200 and CL220 cap is designed for compatible chlorinator applications where the feeder cap needs replacement

Waterco HydroStar trap lid

Useful when multiple matching replacements are needed

Designed for strap-to-blanket connections

Hayward H-Series Thermostat Kit w/Knob (HAXTST1930) cfrfilters The Hayward CL200 and CL220Temperature control is central to heater comfort and reliable pool or spa operation. This Hayward H Series thermostat kit with knob replaces worn or failing thermostat components on compatible heater models, helping users adjust and maintain the desired water temperature more confidently. Aging thermostats can lead to inconsistent heating, poor response, or difficulty setting the heater where it needs to be. Installing a proper replacement helps