Lennox 11J12 Pressure Switch 328140-751 The Resideo 394588 Conversion Kit

The Resideo 394588 Conversion Kit is a professional-grade solution engineered to convert single-stage gas valves from Liquid Propane (LP) to Natural Gas

Rugged Construction: Designed with specialized materials to resist scale buildup and chemical degradation in harsh circulation loops

For technicians running high-demand boiler rooms

making it versatile for various electrical configurations found in multi-family residential and hospitality ventilation systems

Lennox 11J12 Pressure Switch 328140-751 The Resideo 394588 Conversion KitEnsure your combustion air system is operating within manufacturer parameters with the Lennox 11J12 Pressure Switch. This critical safety component is a high altitude specific differential switch designed for Lennox furnace repair and maintenance, featuring a factory set . 85" WC pressure switch actuation point. Engineering for precise draft proving, this part monitors the static pressure within the inducer housing to confirm proper venting before