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Consult the technical manual for the specific pulse-count key
making it compatible with legacy systems and modern A2L refrigerant safety requirements
and verify that the system has the proper subcooling charge
ensuring precise terminal matching for remote thermostat installations or front desk control interfaces in hospitality applications
It's the direct replacement for obsolete models like 8407-034
Carrier HH12HV151 Limit Switch 323080-701 Consult the technical manual forThe Carrier HH12HV151 Limit Switch is a critical OEM replacement part designed for precise thermal regulation within Carrier, Bryant, and Payne furnace air handlers. Engineered as a primary safety limit control, this snap action switch monitors the heat exchanger temperature to prevent overheating and potential component damage. It utilizes a fixed temperature setting to open the electrical circuit if the internal plenum temperature exceeds factory