York S1-331-02979-000 Control Board R-410A Industrial-Grade Build: Features a resilient

Industrial-Grade Build: Features a resilient housing and high-quality internal components to withstand the thermal cycles of gas-fired heating

It features floating or ON/OFF control logic and includes an integrated 135 ohm potentiometer for feedback or position sensing

specifically those using ZB scroll compressors or semi-hermetic refrigeration systems where high pressure differentials are present at startup

For veteran technicians servicing York or Johnson Controls equipment

this specific model is rated for 208-230V single-phase systems only

York S1-331-02979-000 Control Board R-410A Industrial-Grade Build: Features a resilientThe York S1 331 02979 000 Control Board is a specialized OEM replacement part designed for integration into York, Source 1, and Johnson Controls HVAC systems, particularly high efficiency heat pumps and rooftop units. As a direct S1 331 09171 000 replacement, this Simplicity Kit 1 2 4 Pipe board serves as the primary HVAC central processing unit, orchestrating critical sequences of operation for both heating and cooling cycles. Field technicians