Hayward CZ/HM/HM2 Thermostat w/o Knob (CHXTST1930) grasslin MoFlow design

MoFlow design

Designed for compatible cleaner filtration applications

Proper skimmer selection matters for both appearance and circulation

This part has practical value because replacing a damaged casing can restore both structural completeness and visual presentation without requiring changes to the cleaner’s internal systems

Confirm the pump model and part number C1-274P before ordering

Hayward CZ/HM/HM2 Thermostat w/o Knob (CHXTST1930) grasslin MoFlow designThis thermostat is used on compatible Hayward CZ, HM, and HM2 heater systems where temperature regulation hardware needs replacement but the control knob is not required. It is a practical service part for restoring proper heater response when the existing thermostat is worn, inconsistent, or no longer controlling the system correctly. For pool and spa heaters, small control components can make a noticeable difference in comfort and reliability.