This on/off switch 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 2 pounds.

Product Features

• Replacement on/off switch
• Fits hayward h-series millivolt heater models h1501, h150p1, h2001, h200p1, h2501, h250p1
• Also fits hayward h-series pool heater models h100id1, h100idp1
• Also fits H-Series CZ and HM2 models
• Weighs 2 pounds