Carrier HH18HA150 Limit Switch 319852-301 Direct compatibility with Wilbur Curtis

Direct compatibility with Wilbur Curtis WC-37123 for seamless field replacement

What power sources are supported

For boilers with tankless coils (warm start)

maintaining high system efficiency and protecting the compressor from liquid slugging

Carrier HH18HA150 Limit Switch 319852-301 Direct compatibility with Wilbur CurtisThe Carrier HH18HA150 150F Limit Switch is a critical OEM safety component engineered for precise thermal monitoring in HVAC furnaces and residential air handlers. As a veteran grade L150 40F limit control, this switch is designed to open on rise when the heat exchanger reaches a threshold of 150F, effectively interrupting the burner circuit to prevent thermal stress or equipment damage. It features an automatic reset mechanism that closes once