SR502-5 2 Zone Switching Relay w/ Priority 319143-204 RB-5 gun does not need

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

Wirelessly communicates with zone thermostats

Save on installation and energy costs

Malco’s FBSN Pex Foam Board Stapler is the ideal solution for installing in-floor radiant heating

SR502-5 2 Zone Switching Relay w/ Priority 319143-204 RB-5 gun does not needThe 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.