Carrier HH18HA137 Limit Switch 321894-708 Complete Sealing: Includes application-specific flange

Complete Sealing: Includes application-specific flange gaskets to prevent steam leaks and maintain pressure vessel integrity

maintaining consistent torque and RPM stability

This non-positional relay features a universal break-off bracket

This valve is designed for use with Honeywell M6410 and M6435 floating actuators

Multi-Refrigerant Versatility: Approved for HFCs and HFO blends including R404A

Carrier HH18HA137 Limit Switch 321894-708 Complete Sealing: Includes application-specific flangeThe Carrier HH18HA137 Limit Switch is a critical safety component designed for precise thermal monitoring within furnace heat exchangers. This OEM Carrier replacement part features an automatic reset mechanism with a cutout temperature of 130F and a cut in differential at 90F. Engineered for high cycle reliability, the HH18HA137 limit control ensures the blower motor and burner assembly operate within safe thermal parameters, preventing structural