Carrier HH18HA137 Limit Switch 321894-708 allowing for multi-positional indoor installation

allowing for multi-positional indoor installation without the need for traditional vent piping to the outdoors

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

High-Durability Construction: Built to withstand the harsh environment of a furnace plenum

For contractors performing a York AC repair

Carrier HH18HA137 Limit Switch 321894-708 allowing for multi-positional indoor installationThe 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