fan proofing

secure fit for maximum thermal conductivity

providing easy tool access during installation

these must be sourced separately

it is compatible with millivolt systems commonly found in floor or wall furnaces

York S1-024-35310-000 Switch 322838-754 fan proofingThe York S1 024 35310 000 is an OEM Draft Inducer Switch designed for precise combustion air monitoring in high efficiency gas furnaces. This HVAC pressure sensor is factory calibrated to a set point of . 95" wc on fall, ensuring the inducer motor maintains the necessary static pressure to vent combustion gases safely before allowing the ignition sequence to initiate. As a critical furnace safety switch, it prevents burner operation during venting