and GPD series

Enhanced Airflow: The 54-blade configuration maximizes air pull

By accurately detecting phase imbalance or sustained overcurrent

this Size 5 Type J flange offers superior dimensional accuracy and uniform material density compared to standard cast iron alternatives

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

Carrier HH18HC065 Defrost Thermostat 320720-756 and GPD seriesThe 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