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Optimized for 3/8" Stems: Precision-fit for 1-inch
Includes Brackets and Hardware
For specific high-pressure selection
Its compact hermetic construction minimizes leak paths
Carrier HH11AZ180 Safety Switch 320735-701 Optimized for 3/8" Stems: Precision-fitThe Carrier HH11AZ180 Safety Switch is a critical OEM replacement part designed for specific Carrier, Bryant, and Payne gas furnace and heat pump applications. This vent safety switch functions as a manual reset limit control, engineered to interrupt the heating cycle if it detects restricted venting or flue gas spillage. With a precise cut out temperature of 180F and a cut in temperature of 130F, it ensures the system operates within safe thermal