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preventing heat exchanger damage and hazardous operating conditions
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maintaining the operational integrity of TAC Pneumodular control loops
Engineered with a specific drill size calibrated for Propane (Liquid Petroleum) applications
Use a compatible thread sealant and tighten 2-1/2 turns past hand-tight for optimal results
Carrier HH12ZB200 Limit Switch preventing heat exchanger damage andThe Carrier HH12ZB200 Limit Switch is a critical OEM replacement part engineered for precise thermal protection in residential and light commercial furnaces. This auto reset limit switch features a 3 inch insertion depth and is factory calibrated for an L200 40 configuration, meaning it opens on a temperature rise at 200F and automatically closes once the system cools to 160F. As a furnace high limit thermostat, it prevents internal heat exchanger