York S1-7975-3771 Relay For applications requiring a positive

For applications requiring a positive "off" position that breaks both lines of power

For contractors maintaining commercial HVAC systems

if there is no continuity when the switch is closed

providing a professional-grade finish that meets rigorous field standards

and ignition control circuits

York S1-7975-3771 Relay For applications requiring a positiveThe York S1 7975 3771 is a professional grade 24V SPDT Fan Relay designed for high cycle reliability in residential and light commercial air handlers. For technicians troubleshooting blower motor sequencing or intermittent fan failures, this component provides the specific low voltage logic required to switch high amperage loads. This Single Pole Double Throw relay is the direct OEM replacement for legacy part numbers S1 6313 2271 and 134 20103 301D,