- New
232317MC by MC Enterprises is a replacement high-limit thermostat switch designed for compatible Suburban RV water heaters operating on 120-volt AC power. Calibrated to a temperature limit of 140°F, this safety component helps interrupt the heating circuit when the temperature reaches its preset threshold. It does not include a manual reset button. Designed for compatible Suburban water heaters manufactured after serial number 940900091, it is intended as a replacement for the corresponding thermostat switch assembly. Verify the water heater model and serial number before ordering.