4 Zone Switching Relay

Switching relay provides dpst switching for hydronic zone controlled heating systems or spst control of two separate loads.

4 zone switching relay.

Grundfos ups15 58fc circulator pump red 4 6 out of 5 stars 87. Sr502 503 switching relay controlling 2 sr504 506 switching relays zone 4 on off priority y fuse 1 amp zone 4 tors zc zr x x end switch zone4 power input sr 504 power zone 1 zone 2 zone 3 zone 4 t t t boiler zone 4 on off priority y fuse 1 amp 24 vac power zone 4 120 vac input to. Combined with the time proven reliability of the 00 family of circulators and thermostats total system integrating is achieved. The switching relay has universal thermostat compatibility.

309011664 the taco switching relay is the best choice for all you zoning needs with advanced powerport cards external diagnostic lights switchable priority and contractor friendly primary control board layouts. The unit comes with external diagnostic lights and is 100 factory tested. The other may be either line or low voltage. Sr504 exp 4 with priority 3 120 vac input 20 amps 10 1 4 6 3 4 2 3 4 all switching relays are relay type dpst have a thermostat current of 18 and have a single phase motor rating per zone of 1 3 hp 7 2a 120 vac.

The taco sr503 4 zone switching relay has a built in 24v transformer that is only sufficient in rating to supply voltage to the zone control. Sr501 4 switching relay 1 zone 4 5 out of 5 stars 42. Battery powered thermostats do not steal power from this control therefore the 1 amp rating will be sufficient. Combined with the time proven reliability of the 00 family of circulators and thermostats total system integrating is achieved.

Designed for control of relatively heavy duty 120 or 240 vac electrical loads such as cooling compressors. Taco sr504 4 switching relay 4 zone the best choice for all your zoning needs 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. Tt on boiler tors zc zr x x end switch. Taco sr503 4 3 zone switching relay the taco sr503 4 switching relay is the best choice for all your zoning needs with advanced powerport cards external diagnostic lights switchable priority and contractor friendly pc board layouts.

One load must be line voltage.