SR502-5 2 Zone Switching Relay w/ Priority 319143-204 Features include rear knock outs

Features include rear knock outs for 4x4 junction box mounting

RB-5 gun does not need a power supply and can be used anywhere at any time

4" Z-Vent Horizontal Termination Tee

Save on installation and energy costs

as well as support for Heat/Cool changeover and dew point sensing

SR502-5 2 Zone Switching Relay w/ Priority 319143-204 Features include rear knock outsThe Taco Switching Relay is the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights, switchable priority and contractor friendly PC board layouts. Combined with the time proven reliability of the 00 family of circulators and thermostats, total system integration is achieved.