this unit serves as a direct professional replacement for EK-164 and CG-164 models

Direct OEM Compatibility: Ensures seamless fitment and electrical calibration for York residential gas furnaces without the need for field modifications

typically found in MS and MB series units

operating efficiently in temperatures ranging from -40°F to 150°F

Whether you are dealing with a blown furnace transformer due to a shorted contactor or a simple component failure

York S1-024-19082-039 Sequencer Relay this unit serves as aThe York S1 024 19082 039 Sequencer Relay is a mission critical 24V electric heat sequencer engineered for precise staging of heating elements and blower motors in residential air handlers and furnaces. This single pole double throw (SPDT) component features a thermal bimetal disc design, providing reliable M1 M2 on delay timings to prevent high amperage spikes during initial startup. Designed as a direct O. E. M. replacement for York heating systems,