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Azel SP-83 Three Zone Switching Relay
- Universal Design
$164.80
Price as of Oct 16, 2026, 7:48 AM UTC. Prices and availability are subject to change. The price shown on Amazon at the time of purchase applies.
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Key features
Hydronic Heating Switching Relay for 3 zones
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
Universal Design
Cold Start or Tankless Coil Boiler
Isolated End Switch and Priority End Switch for utilizing full functionality of high efficiency Mod-Con boilers
Azel SP-83 Three Zone Switching Relay
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