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Product Description
Manufacturer Part Number: SR-504-4
Taco Switching Relays combine clearly labeled PC board layouts with advanced features that allow for total system customization. Whether using basic priority switching, or add-on power controls, the job is made easy. External indicator lights provide instant diagnostic feedback, making a snap of service calls or new installation start-ups. All switching relays are UL listed, and are compatible with conventional and programmable thermostats. For those larger jobs, the -EXP Switching Relays can be expanded up to 120 zones (20 zoning panels) with priority. Taco Switching Relays are available in one, two, three, four, and six zones.
Feature
Number of Zones: 4
Expandable to 120 Zones (20 Zone Panels); Includes the Priority Zoning Circulator
External Diagnostic Lights
Fully Enclosed Snap-Out Relays
Universal Design: Cold Start or Tankless Boiler
Taco Switching Relays combine clearly labeled PC board layouts with advanced features that allow for total system customization. Whether using basic priority switching, or add-on power controls, the job is made easy. External indicator lights provide instant diagnostic feedback, making a snap of service calls or new installation start-ups. All switching relays are UL listed, and are compatible with conventional and programmable thermostats. For those larger jobs, the -EXP Switching Relays can be expanded up to 120 zones (20 zoning panels) with priority. Taco Switching Relays are available in one, two, three, four, and six zones.
Feature
Number of Zones: 4
Expandable to 120 Zones (20 Zone Panels); Includes the Priority Zoning Circulator
External Diagnostic Lights
Fully Enclosed Snap-Out Relays
Universal Design: Cold Start or Tankless Boiler
Attention CA Residents: Prop 65 Warning
WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
Return Policy
Return could only be applied within 7 days after delivery.
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