ensuring reliable operation against high differential pressures in 1 1/4" NPT piping systems

this Auburn manufacturing electrode provides the dependable performance required to maintain peak combustion efficiency and operational safety in high-output energy systems

Direct Cross-Compatibility: Engineered as the updated functional equivalent for the Lennox 18L89 pressure switch

System Protection: Helps maintain appropriate system pressures to extend the lifespan of the compressor

or an audible humming from the compressor indicating a failure to initiate the start winding

Lennox 17F03 Drain Pan R-407C ensuring reliable operation against highAs an experienced HVAC technician, you know that managing condensate in horizontal air handler configurations is critical to preventing structural water damage. The Lennox 17F03 Horizontal Drain Pan is a purpose built condensate management solution designed specifically for 3 ton to 4 ton Lennox units. This HVAC drain pan replacement is constructed from heavy gauge galvanized steel, offering superior corrosion resistance compared to plastic