Carrier 311682-201 Adapter 320720-756 normally closed (NC) safety device

normally closed (NC) safety device that monitors the heat exchanger and inducer housing temperatures

ensuring a plug-and-play installation for HVAC technicians servicing mobile home or residential electric heating units

Swap this in to restore proper LRA (Locked Rotor Amps) support and ensure the hermetic compressor pulls smooth RLA (Rated Load Amps)

Turning the screw counter-clockwise decreases the pressure setting

always verify your furnace's orifice sizing and gas type to ensure this manifold matches your specific BTU input requirements

Carrier 311682-201 Adapter 320720-756 normally closed (NC) safety deviceThe Carrier 311682 201 Adapter is a critical HVAC replacement part engineered for high pressure fluid transitions in residential air conditioning and commercial refrigeration cycles. Designed as a 3 8 inch flare adapter, this component ensures a leak proof refrigerant connection between mismatched tubing sizes or service ports, maintaining the integrity of the sealed system. Fabricated from heavy duty, corrosion resistant brass, it is built to