Lennox 17F03 Drain Pan R-134A Technicians should verify the orifice

Technicians should verify the orifice size against the appliance's rating plate to ensure compatibility with local gas pressure and altitude requirements

ensuring a perfect mechanical fit and electrical alignment

and 3003822

this unit facilitates reliable optical flame sensing across gas

Lennox 17F03 Drain Pan R-134A Technicians should verify the orificeAs 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