and T921 series

Featuring a 1/2" HEX RH (Right Hand) design

and WM97+ models

including Arcoaire

as well as standard hot water hydronic loops

York S1-024-36138-000 Relay and T921 seriesThe York S1 024 36138 000 Relay is a heavy duty 24V 60HZ DPST NO Relay designed for critical switching applications in residential and light commercial HVACR systems. This Double Pole Single Throw component features Normally Open contacts, allowing for the simultaneous control of two independent circuits from a single 24 volt coil signal. Engineered as a high performance HVAC control relay, it is commonly utilized for managing high draw loads such as