BASO Q90BB-1 Pilot Burner & Sensor Els PW 17895 Direct Lennox 86H5501 cross-reference for

Direct Lennox 86H5501 cross-reference for guaranteed compatibility with legacy air handler models

Contractors should verify the heater's serial number to ensure proper fitment with specific Through-The-Wall (RG1PV

If your furnace blower runs continuously even when the thermostat is off

critical for optimizing suction line velocity and heat transfer

What are the primary indicators that this cam extension needs replacement

BASO Q90BB-1 Pilot Burner & Sensor Els PW 17895 Direct Lennox 86H5501 cross-reference forThe BASO Q90BB 1 Pilot Burner & Sensor, also known by its OEM part number J996DKW7723 and identical to Q90BB 1C, is a critical integrated component for reliable gas furnace ignition and flame supervision. Engineered for robust performance in both residential and commercial gas fired heating appliances, this assembly ensures consistent pilot ignition and accurate flame sensing. Its durable construction features a 446 stainless steel spark electrode