York S1-031-00880-001 Control Board 30067439-890 Featuring a Single-Pole Single-Throw (SPST)

Featuring a Single-Pole Single-Throw (SPST) switch configuration with open-low action

Use a multimeter to check for continuity across the terminals while the switch is at room temperature

Standard protocol dictates replacement whenever the sealed system is opened for repair

Field technicians trust this genuine Burnham part for its drop-in fit and factory-tested reliability in propane-fired boilers

The Functional Devices RIB04P is a heavy-duty DPDT enclosed power relay engineered for high-voltage industrial and commercial HVACR applications

York S1-031-00880-001 Control Board 30067439-890 Featuring a Single-Pole Single-Throw (SPST)This York furnace control board acts as the primary logic controller for your heating system, managing critical ignition sequences, blower motor timings, and safety limit circuits. As the direct S1 031 00880 001 replacement for legacy part numbers 031 00880 006 and S1 031 00880 701, this board offers a drop in solution that eliminates the need for wiring harness modifications in the field. For technicians performing HVAC circuit board repair, the on