Lennox X6664 Media Filter Els PW 17895 Always verify that the vent

Always verify that the vent pipes and heat exchanger are clear before replacing the switch

Replace the lead if you detect cracked insulation

Potable water heaters require T&P (Temperature and Pressure) relief valves

and N9MP series

Optimize your unit heater’s thermal management with the Reznor 195766 Inducer Cooling Blade

Lennox X6664 Media Filter Els PW 17895 Always verify that the ventFor high performance filtration in Lennox residential systems, the Lennox X6664 MERV 11 filter provides a professional grade solution to maintain system static pressure while maximizing particle capture. This 16x26x4 media filter, also identified by the manufacturing part number X666401, features an actual dimension of 16. 5" x 25.?" x 3. 15 16". Designed as a direct OEM furnace filter replacement for Healthy Climate air cleaners, it uses deep pleat