Carrier HH19ZA150 Limit Switch 321894-706 Using this to replace a

Using this to replace a 1/4 HP or 1/3 HP motor will result in premature winding failure

Check your specific parts list as it is larger and more robust than the gaskets used in residential atmospheric heaters

The unit is equipped with a high-visibility composite plastic wheel for manual operation in tight mechanical spaces

ensuring compliance with current safe drinking water standards

if the internal diaphragm has failed or the contacts are pitted

Carrier HH19ZA150 Limit Switch 321894-706 Using this to replace aThe Carrier HH19ZA150 Limit Switch is a critical OEM safety control designed to monitor discharge air and heat exchanger temperatures in Carrier, Bryant, and Payne furnaces and air handlers. This auto reset high limit switch is engineered with a pre set trip point that opens at 150F to interrupt the burner circuit or blower motor, preventing hazardous overheating. Once the internal temperature closes at 110F during the cooling cycle, the switch