Lennox 73W35 Pressure Switch 326058-756 For experienced contractors

For experienced contractors

Technicians should check for continuity across the terminals when the ambient temperature is within the operating range

and State Water Heater units ensures electrical and mounting compatibility

this wrap-constructed belt is engineered to provide superior traction and minimize slippage in demanding HVACR applications

always verify the orifice size and gas type before installation as LP conversions require specific components

Lennox 73W35 Pressure Switch 326058-756 For experienced contractorsThe Lennox 73W35 Pressure Switch is a critical safety and operational component designed for 2 stage gas furnaces. This OEM Lennox replacement part, also identified by part number 102737 09, monitors the pressure differential created by the combustion air inducer to ensure the system is venting correctly before ignition. For multi stage heating, this dual stage pressure switch features precise set points: a high stage set point of 0. 55" W. C. and a