ensuring it integrates seamlessly with standard low-voltage thermostats and control circuits

this SPDT (Single Pole Double Throw) lever-activated switch is built for high-duty cycling in both residential air handlers and light commercial rooftop units

Constructed for high-demand HVAC steam system maintenance

As a veteran-grade HVAC control transformer

as well as several Utica SVB and UH16 Series steam units

York S1-SE-COM1001-0 Expansion Card 319825-402 ensuring it integrates seamlessly withThe York S1 SE COM1001 0 Expansion Card is a critical communication interface designed specifically for the Simply SE Control System. This add on board functions as an isolated field bus expansion, providing the necessary hardware to bridge York HVAC equipment with sophisticated control networks and building automation systems (BAS). By utilizing a multi protocol architecture, the S1 SE COM1001 0 supports BACnet MS TP, Modbus RTU, and JCI N2, ensuring