Carrier HH19ZA150 Limit Switch 320788-704 featuring Viton seals that provide

featuring Viton seals that provide superior chemical resistance against harsh detergents

Short-Circuit Protection: Internal mica washer insulation prevents high-temperature electrical failures

offering a rugged construction that minimizes hammer and ensures quiet operation during modulation

and competitive coaxial-type self-powered systems

part of the LGP-A series

Carrier HH19ZA150 Limit Switch 320788-704 featuring Viton seals that provideThe 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