Also fits hayward h-series pool heater models h100id1, h100idp1
Also fits H-Series CZ and HM2 models
Weighs 16 pounds
This thermostat knob without knob is designed to use with Hayward H-Series and H-Series Millivolt heater models H1501, H150P1, H2001, H200P1, H2501, H250P1, H100ID1, H100IDP1 and also compatible with H-Series CZ and HM2 models. Weighs 16 pounds.