York S1-331-02979-000 Control Board 30067439-890 What happens if the actuator

What happens if the actuator loses power

Its robust construction minimizes mechanical failure during high-cycle operations

Using it on 60Hz power may lead to overheating or irregular magnetic pull

loop-powered device

this unit ensures the valve remains in the shut position when power is removed

York S1-331-02979-000 Control Board 30067439-890 What happens if the actuatorThe 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