the limit switch may be stuck open or out of calibration

reducing the risk of micro-leaks that lead to moisture contamination and system acidified oil

preventing any particulate larger than 50 microns from infiltrating the gas line

this 30 Amp N/O relay is frequently utilized in air handlers to control blower fans during both cooling and heating cycles

Ensure the wire access hole in the wall is sealed behind the subbase to prevent drafts from affecting the 10K Type 2 thermistor

York S1-025-32816-000 Control Module Freon the limit switch may beThe York S1 025 32816 000 is a critical Fan Timer Control Module engineered specifically for residential and light commercial air handlers and furnaces. As a Genuine OEM York Replacement Part, it provides the precise sequencing required to manage blower motor delay timings, ensuring optimal heat exchanger dissipation and preventing coil freeze ups in cooling modes. This solid state HVAC control board manages the 120V or 240V blower motor circuits