REL 2 is designed to enable multiple controllers to operate the same low-voltage device, such as a Master Valve or Pump Start Relay. This device must never be connected to high-voltage circuits. It is intended only for 24VAC devices.
Refer to the diagrams below for wiring examples.
Two Controllers With One Master Valve/Pump Start Relay
Three Controllers With One Master Valve/Pump Start Relay
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