OEM-Spec Fitment: Built to the exact mechanical specifications of the 56HZ frame for rapid installation without bracket modifications

this sensor provides the high-sensitivity flame rectification required to eliminate nuisance lockouts and "no heat" service calls caused by carbon-fouled or oxidized sensors

Is the 4074EYL/U different from the 4074EYL

ensuring the specialized oil maintains its viscosity and lubricating properties

Lennox 17H03 Control Kit 322838-753 OEM-Spec Fitment: Built to theThe Lennox 17H03 Control Kit is a professional grade non lockout universal ignition control kit designed for field service reliability in Lennox gas fired equipment. This specialized HVAC ignition module functions as a direct replacement for legacy ignition systems, providing consistent intermittent pilot ignition without the risk of permanent lockout during nuisance outages. Engineered for high demand environments, the Lennox 17H03 integrates