these 5-inch deep filters are typically replaced every 6 to 12 months

ensuring seamless fitment with 100109781 specifications

Common Questions: Which Burnham models are compatible with the 104939-01

and applying higher voltages will damage the unit

this kit ensures the internal integrity of your electrically actuated flow control valves

Lennox 36W49 Pressure Switch 321894-708 these 5-inch deep filters areThe Lennox 36W49 Pressure Switch is a critical safety component designed for specific Lennox furnace models to monitor the negative pressure generated by the inducer motor. This SPST furnace pressure switch is factory calibrated to a 0. 55" WC set point, ensuring the combustion process only initiates when proper venting and drafting are established. Constructed with a durable diaphragm and high grade electrical contacts, this direct replacement