If you have a thermostat retrofit where a 5th "common" wire is needed, but not available, use this HAI Thermostat Power Supply Module. The module works as a power booster for any HAI
Omnistat2, Omnistat or RC-80B thermostat. It is compatible with any
HAI Omni family or Lumina family home control system. This optional power booster may be needed in retrofit applications when "HVAC common" wire is not available
Please Note: The HAI Omni series of products is professional grade and should only be installed by a licensed professional. All tech support inquiries and product return requests must be made by a licensed professional directly to the manufacturer at 1-800-229-7256.
This product is a direct replacement for HAI part 30A00-1.