Catalog pricing shown. Please Sign In to see your pricing.

SR503

SR503
Switching relay, 3 zones with priority
Vendor Name:
Taco
URI Part Number:
SR503
Vendor Part Number:
SR503
Shipping Weight (Lbs.):
5
Contact Rating (Amps):
15 Amp
Number of Zones:
3 with Priority
Voltage:
120 VAC

Taco switching relays combine clearly labeled PC board layouts with advanced features that allow for total system customization. External indicator lights provide instant diagnostic feedback, making a snap of service calls or new installation start-ups. All switching relays are UL and CSA listed, use standard ice cube replaceable relays and are compatible with conventional and programmable thermostats.

Features:

  • External Indicator Lights
  • Switchable Priority
  • Simplified Wiring
  • Fully Enclosed Snap-Out Relays
  • Fuse Protected
  • Isolated End Switch
  • Contractor Friendly PC Board Layout
  • Universal Thermostat Compatibility
  • 24 Volt Power Input or Output Terminal
  • Extended 3 Year Warranty

Additional -EXP Features:

  • Plug-in PowerPort Card Slots
  • Add-on Power Control Plug
  • Expandable to 20 Zones
  • Interface with -EXP Zone Valve Controls
Accessories

Related Products