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Taco SR502-2 Pump Switching Relay, 2 Zones, With Priority

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Product Specifications
General Information
Number of Circuits
Product Height (Inches)
6.75 Inches
Product Width (Inches)
10.25 Inches
Product Depth (Inches)
2.75 Inches
Product Weight (Pounds)
4 Pounds
Warranty Information
Parts Warranty (Years)
3 Years
Model: SR502-2
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Taco SR502-2 Pump Switching Relay, 2 Zones, With Priority

Taco's pump switching relays is the ideal choice for all zoning needs. What makes this model unique is its ability to completely customize the system for your requirements, which is achieved by combining PC board layouts of the Taco zone valves, priority zoning circulators, thermostats and 00 circulators with the advanced features of the Taco zone controls. Troubleshooting the system is made easy, thanks to external diagnostic lights which show full functionality of the switching relay. Regardless of the application, Taco has products that optimize system performance while simplifying installation and servicing.

Taco SR502-2 Pump Switching Relay with Priority Features:
  • 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
Taco SR502-2 Pump Switching Relay with Priority Warranty:
  • Warranty: 3 Years

Questions before buying? Ask George about this item. Sorry, do not submit repair related questions.

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