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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
reliability and durability
Approved for Type B installations
efficiency
This compound permits a tighter assembly with lower torque for secure permanent sealing of all threaded connections
HKZ1277220
SR504-4 - 4 Zone Switching Relay with Priority pumpshhp-1-20 reliability and durabilitySWITCHING 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
