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and coal-fired applications
Accurate Control: Integrated 1/4" flare external equalizer ensures precise superheat management by referencing actual evaporator outlet pressure
Standardized Power: The 24Vdc solenoid integrates seamlessly with modern industrial PLC and DC control logic
The 370V rating provides robust protection against back EMF
Integrated Safety Management: Constantly monitors flame signals and safety resets to ensure code-compliant furnace operation
Carrier HH18HB016 Thermostat 322056-301 and coal-fired applicationsThe Carrier HH18HB016 Freeze Thermostat is a critical OEM HVAC safety control designed to prevent catastrophic equipment failure caused by low temperature conditions. As a factory authorized part, this freeze protection switch monitors the evaporator coil or water lines, automatically breaking the circuit to the compressor or activating the heating cycle when temperatures drop below the calibrated set point. Engineered for Carrier, Bryant, and Payne
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