This SPST (Single Pole Single Throw) switch is a direct OEM replacement limit switch for several competitive models

Flexible Mounting: Can be installed in any orientation on 5/8" piping to accommodate complex fan-coil piping layouts

What microamp reading should this sensor produce

or a power interruption

extending the service life of the control box switch

York S1-024-26089-000 Relay This SPST (Single Pole SingleThe York S1 024 26089 000 Draft Motor Time Delay Relay is a critical OEM replacement part engineered to manage the ignition sequence and post purge cycles of the combustion blower. By providing a precise delay between the thermostat call and official motor engagement, this HVAC switching relay protects the draft motor from short cycling and ensures that the heat exchanger is properly vented before and after the burner fires. As a genuine York