Enhanced Switching Relays
Taco’s Enhanced Switching Relays are the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights, switchable priority and contractor friendly PC board layouts. Combined with the time proven reliability of the 00® family of circulators and thermostats, total system integration is achieved. The Enhanced Switching Relays additional features include built-in priority protection, premium sealed relays, compact design, fuse protected, isolated end switch and universal thermostat compatibility.
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Performance Data
Advanced timer and boiler functions
External diagnostic lights
Switchable priority and contractor-friendly PC board layouts
Features
- Front Diagnostic Lights
- Simplified Wiring
- Switchable Priority (Switching Relay)
- Built-in Priority Protection (Switching Relay)
- Premium Sealed Relays
- Compact Design
- Fuse Protected (with spare)
- 100% Factory Tested
- Isolated End Switch
- Contractor Friendly PC Board Layout
- Universal Thermostat Compatibility
- 24 Volt Power Output for hard wired thermostats
- Field Replaceable Transformer
- UL Approved
Additional EXP Features – Single Zone Switching Relay
- One Add-on Power Control Plug
- Input to override Outdoor Boiler Reset if Using PC700, When DHW Calls for Heat
- Interface with all -EXP Multi-Zone Controls
Additional EXP Features – Switching Relay
- Add-on Power Control Plug
- Built-in; Post Purge and Pump Exercise Functions
- Switchable Primary Circulator Output
- Two boiler contacts, utilizes full functionality of Mod-Con boilers
- Expandable to 20 Zoning Panels (120 zones if all are 6 zone panels)
- Interface with -EXP Zone Valve Controls
Applications
- Hot Water Heating Systems
- Closed Cooling Circuits
- Air Conditioning Systems
- Hydronic Heating & Cooling
- Water/Glycol concentrations up to 50%
- Solar / Geothermal
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