This assembly typically includes the orifice insert

Replacing a fouled or corroded 46K18 burner restores proper heating system performance and safety

Direct OEM Compatibility: Serves as the identical replacement for Lennox 78L2901

A technician should check for continuity across the switch terminals

contaminated combustion air

Armstrong Furnace ALPKT516-4 Conversion Kit Els PW 17895 This assembly typically includes theThe Armstrong Furnace ALPKT516 4 LP Conversion Kit is a critical OEM component designed for technicians converting Armstrong Air 80% and 90% AFUE furnaces from natural gas to liquid propane. This kit serves as the direct replacement for ALPKT516 1 and ALPKT516 5, ensuring a precise match to manufacturer specifications for manifold pressure and orifice sizing. By utilizing genuine Armstrong Air parts, contractors can maintain the internal combustion