Carrier HH11AZ180 Safety Switch 321042-401 The Conbraco 10-301-10 is a

The Conbraco 10-301-10 is a high-capacity ASME Section IV hot water relief valve engineered for critical overpressure protection in hydronic heating systems and commercial boilers

By preventing rapid restarts during power interruptions or thermostat cycling

Technicians should look for visible cracks in the ceramic or insulation

000-watt rating delivers rapid temperature recovery for large bodies of water

utilizing a vapor-charged element for precise response

Carrier HH11AZ180 Safety Switch 321042-401 The Conbraco 10-301-10 is aThe 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