SR504-4 - 4 Zone Switching Relay with Priority pumpshhp-1-20 run only that circulator

run only that circulator

efficiency

Flow Rates

and automatically receive email alerts related to safety

residential boilers and other heating appliances

SR504-4 - 4 Zone Switching Relay with Priority pumpshhp-1-20 run only that circulatorSWITCHING RELAY 4 ZONE W PRIORITY FUSED OUTPUT The 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. Additional features include built in priority protection, premium sealed