Azel SP-82 Two Zone Switching Relay for Hydronic Radiant Floor Heating Systems

The i-Link series 2-zone circulator pump controller is operated by low voltage thermostats or any other low voltage controllers having an SPST switching action. The i-Link controller provides intermediate switching to permit up to 2 circulators and a boiler operating control in a multi-zone hydronic heating system. Intelligent Linking System (i-Link) allows unlimited zone expansion with additional i-Link controllers. Unique power surge protection to avoid damage to the unit and ensure continuous control operation. Dimensions: 6 3/8”(W) x 6 5/8”(H) x 2 3/4”(D)

• Isolated End Switch and Priority End Switch for utilizing full functionality of high efficiency Mod-Con boilers
• LED indicators on the front panel provides functional status and easy troubleshooting
• EZ screwless terminal blocks for connections to the thermostats
• Field selectable priority with timer prevents freeze-ups in the event of a priority zone failure
• A system circulator is turned on whenever any zone calls for heat
• Fuse protection
• Safety design with all electronic components hiding behind the enclosure
• Universal Design: Cold Start or Tankless Coil Boiler
• High Capacity Field Replaceable Transformer
• Extended 3 year warranty