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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
the System Sensor MHR provides a compact
Precise Electrical Specifications: Engineered for 480-volt HVAC systems
with the pressure ports pointing straight down
Key Benefits Simplified Installation: The split-core design allows for quick clamping onto conductors without breaking the circuit
Lennox 52M46 Control Board R-410A the System Sensor MHR providesThe Lennox 52M46 Control Board, also identified by part number 52M4601, is the direct replacement integrated furnace control (IFC) for reliable ignition and blower motor management in Lennox G40, G41, and G50 series units. Optimized for single stage gas furnaces, this circuit board manages the hot surface ignitor (HSI) timing and flame rectification sensing to ensure stable combustion cycles. Contractors often source this for diagnostic code flashes
