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The LAARS LAARS-R2022400 is a pressure switch kit designed to monitor and verify combustion airflow or venting conditions within a heating appliance. The pressure switch is a safety-critical component that prevents burner operation when proper draft or inducer pressure is not confirmed. It is typically installed by licensed HVAC technicians or plumbers during routine service, component replacement, or system commissioning on boiler and water heater equipment.
The LAARS-R2022400 pressure switch kit is suited for residential and light commercial heating applications where combustion safety interlocks are required. It is intended as a direct replacement component for LAARS and Bradford White branded heating equipment that originally uses this pressure switch assembly. Consult the appliance service manual to verify the correct pressure setpoint before installation.
Listed as a replacement pressure switch kit for LAARS and Bradford White heating equipment. Verify compatibility against the appliance model number and original part number before installation.
Installation should be performed by a licensed HVAC technician or qualified service professional. Disconnect power to the appliance and allow all components to cool before beginning service. Inspect the pressure switch hose and port for blockage or deterioration as part of the replacement procedure. Work should comply with applicable local codes and the appliance manufacturer's service documentation.
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