Its step-opening regulation provides a quieter ignition sequence

By accurately detecting phase imbalance or sustained overcurrent

this automatic reset limit switch provides essential circuit interruption to prevent heat exchanger damage or unsafe operating conditions

For LPG applications

simplifying installation in reversible systems

Carrier HH18HC065 Defrost Thermostat 320720-756 Its step-opening regulation provides aThe Carrier HH18HC065 Defrost Thermostat is a critical temperature actuated switch designed for Carrier, Bryant, and Payne heat pump systems. As a veteran grade OEM replacement part, this DPDT defrost thermostat ensures precise defrost cycle management by monitoring the outdoor coil temperature. It is engineered to open at 65F and close at 45F, preventing unnecessary heater activation and protecting the compressor from liquid slugging during cold