Lennox 69018 Filter Drier an oversized orifice will cause

an oversized orifice will cause over-firing and potentially crack the heat exchanger

This prevents common issues like "lazy flames

Low Resistance Path: Minimizes voltage drop across the lead to ensure a hot

Professional installation ensures the thermal probe and mounting flange maintain the specific depth needed for accurate sensing within the plenum

hosedown procedures

Lennox 69018 Filter Drier an oversized orifice will causeThe Lennox 69018 Filter Drier is a critical liquid line filter drier designed for high efficiency moisture and acid removal in residential and light commercial HVACR systems. Featuring a 3 8" sweat (ODF solder) connection and a 5 cubic inch desiccant volume, this OEM component is engineered to protect the compressor and expansion valves by trapping contaminants as small as 20 microns. With a 680 PSI max pressure rating, it is fully compatible with