the Raypak 006535F Flame Sensor is often the first component to inspect

preventing the cracks and fatigue often seen in lower-quality aftermarket lines

this component mitigates vibration-induced stress on the fan motor bearings

How do I ensure the coil doesn't ground out against the frame

Lennox 88K90 Pressure Switch Els PW 17895 the Raypak 006535F Flame SensorThe Lennox 88K90 Pressure Switch is a high precision, OEM furnace safety component factory calibrated for induction monitoring in residential and light commercial heating systems. This 0. 47" WC pressure switch utilizes a single pole single throw (SPST), normally open contact configuration, ensuring the combustion process only initiates when proper draft is established. Designed for universal compatibility with older systems, the 88K90 replaces part