York S1-025-35397-000 Limit Control it is recommended to pair

it is recommended to pair this with OEM Danfoss capacitors to ensure the dropout voltage parameters and MFD requirements are fully synchronized

this switch is "normally closed" and should show near-zero resistance

Reduced Downtime: Simplifies troubleshooting and restores operation quickly after safety protocols are triggered

How do I verify the temperature rating

refer to the specific valve body material and trim requirements

York S1-025-35397-000 Limit Control it is recommended to pairThe York S1 025 35397 000 is an essential manual reset limit control engineered for precision thermal monitoring within high efficiency furnace heat exchangers and air handling units. As a genuine OEM York replacement part, this HVAC safety switch is calibrated to provide high limit protection by breaking the electrical circuit to the gas valve or ignition control if internal temperatures exceed factory safety thresholds. Unlike automatic switches,