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'Open on Fall' or 'Open Low' means the SPST contacts will break the circuit when the pressure drops to your set point
High-Voltage Efficiency: Optimized for 277V HVAC circuits
What are the electrical requirements for this replacement
What causes these ignitors to fail prematurely
Carrier HH19ZA135 Limit Switch Refrigerant 'Open on Fall' or 'OpenFor contractors servicing Carrier residential and light commercial equipment, the Carrier HH19ZA135 Limit Switch is a critical safety component designed for precise thermal monitoring. This fixed temperature furnace limit control features an L135 40F calibration, meaning the contacts are normally closed and will open on a temperature rise at 135F, automatically resetting once the temperature drops below the 40F differential. This genuine OEM Carrier
US$ 149.99
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