Geo-Flo, Controller, Taco SR 506 EXP-4, Circulators
Geo-Flo, Controller, Taco SR 506 EXP-4, Circulators
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Geo-Flo, Controller, Taco SR 506 EXP-4, Circulators

Product Name/Number: 4037
Regular price
$475.09
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$475.09
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Taco Switching Relays combine clearly labeled PC board layouts with advanced features that allow for total system customization. Whether using basic priority switching or the advanced features of the -EXP 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 and CSA listed, use standard "ice cube" replaceable relays and are compatible with conventional and programmable thermostats.

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