typically found in MS and MB series units

preventing common issues such as coil burn-out due to poor seating or incorrect voltage pull

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

Key Benefits Universal Compatibility: Seamlessly integrates with Schneider Electric pneumatic controls

which is a frequent cause of electrical shorts and mechanical seizure

York S1-024-19082-039 Sequencer Relay typically found in MS andThe 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,