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and 724 commercial heaters
Simplified Installation: Standard 5/16" shaft diameter ensures compatibility with existing fan blades and blower wheels
Industrial Grade Reliability: Rated for extreme temperatures
Contamination Resistance: Integrated protective membrane prevents sensor fouling from particulates and insects
it is engineered to withstand a maximum operating pressure of 240 psi and fluid temperatures up to 281°F
Carrier HH19ZA950 Limit Switch 320819-301 and 724 commercial heatersThe Carrier HH19ZA950 Limit Switch is a critical OEM replacement part engineered for precise thermal management in Carrier furnaces, air handlers, and residential HVAC systems. This bi metal limit control is factory calibrated as a high limit safety, featuring a 150F open temperature and a 95F close temperature. Designed for automatic reset functionality, the HH19ZA950 effectively breaks the electrical circuit to the gas valve or heating element if
