4-Zone Switching Relay w/ Priority
Brand: Taco
Part#: SR504-4
In Stock
Usually ships: within 1 business days
Taco SR504 Switching Relay combines clearly labeled PC board layout 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. Taco SR504 switching relay is UL/CSA listed, uses standard “ice cube” replaceable relay and is compatible with conventional and programmable thermostats.

  • External Indicator Lights
  • Switchable Priority
  • Simplified Wiring
  • Fully Enclosed Snap-Out Relays
  • Compact Design
  • Fuse Protected
  • 100% Factory Tested
  • Isolated End Switch
  • Contractor Friendly PC Board Layout
  • Universal Thermostat Compatibility
  • UL and CSA Approved
  • 24 Volt Power Input or Output Terminal
  • Made in the USA.
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Technical Specifications:
  • Zones: 4
  • Power: 120VAC
  • Max combined load: 20.0 AMPs
  • Dimensions: 10.25" wide x 6.75" high x 2.75" deep.
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Extended 3 Year Warranty;
Ask a Question
Does this come with the power plug? If not, how do I get one?
Helpful? Yes No
SR series switching relays are hardwired , they do not come with a plug.
By PexUniverse Customer Service on 03/27/2015

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