1-Zone Switching Relay

1-Zone Switching Relay
1-Zone Switching Relay QR Code
Views: 5235 Model: SR501-4
UPC: 687752390384

MPN: SR501-4


Weight:2.00 lb

Dimensions (L x W x H ): 5.00 x 6.00 x 3.50

Usually ships: 1 business days
Qty: Add to Cart


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The SR501-4 from Taco is a Single zone Switching Relay. It's a standard equipment for every installer. It can easily replace any brand made by any manufacturer, and will even fit into the existing metal enclosure without rewiring incoming connections. The SR501 single zone switching relay is UL and CSA listed, uses a standard “ice cube” replaceable relay and is compatible with conventional and programmable thermostats. External indicator lights provide instant diagnostic feedback, making a snap of service calls or new installation start-ups.


  • 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;
  • Extended 3 Year Warranty;
  • Made in the USA.

Technical Specifications:

  • Zones: 1;
  • Power: 120VAC;
  • Max combined load: 5.0 AMPs;
  • Dimensions: 4.25" wide x 5.25" high x 2.75" deep.
Product Specs
Amperage: 7.2
Application: Zoning
Depth (Inches): 2-3/4"
Height: 5-1/4"
Power Method: 120 VAC Input
Type: Switching Relay
Voltage: 120 VAC
Width: 4-1/4"
Zones: 1
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