Corrosion Resistance: The flame rod is engineered to resist carbon buildup and oxidation

effectively managing the flow of water

This 3/4" boiler pressure relief valve is engineered to protect equipment from catastrophic failure caused by excessive thermal expansion or mechanical malfunction

Using the OEM S1-025-27727-003 ensures the system operates within the designed safety parameters of the control board

Universal Compatibility: Serves as the primary replacement rollout switch for multiple Lennox-family brands

Johnson Controls P72AA-17 Pressure Control Refrigerant Corrosion Resistance: The flame rodJohnson Controls P72AA 17 Dual Pressure Control, DPST Switch Only, 3 4" Conduit Opening, 50 Psi to 450 Psi, Nema 1 Enclosure, No Adjustment Knob