OEM Lennox Oil Primary Control R7184A1075 w/ AC Ready Kit — 36K54

The genuine OEM Lennox 36K54 is an oil burner primary control based on the Honeywell R7184A1075 platform, supplied with an AC ready kit. This intelligent primary control manages the ignition sequence, flame supervision, and safety lockout for oil-fired Lennox furnaces and boilers. It monitors the cad cell flame sensor to confirm a proper flame is established and shuts the burner down safely if ignition fails, protecting your system and your home.

Common failure symptoms include the burner failing to start, nuisance lockouts, the reset button tripping repeatedly, intermittent no-heat calls, or the control failing to prove flame even when the burner is firing normally. A failed primary control often leaves the system dead on a call for heat, or causes short cycling and unreliable operation.

Why OEM matters: the Lennox 36K54 is factory-matched to the timing, safety parameters, and wiring harness of your Lennox oil equipment. Using the correct OEM control ensures the ignition and safety lockout timings meet Lennox specifications, preserves your equipment warranty, and guarantees the AC ready kit integrates cleanly for cooling operation. Aftermarket substitutes may not match the required trial-for-ignition timing or flame-response characteristics.