![Manual background](/images/new-backgrounds/53433/5343355x1.webp)
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NOTE: All wiring must be done in accordance with applicable state, local and national codes. Use only copper conductors.
The 3WOOD must be installed without changing the function of the controls or rewiring the original boiler. A wiring interconnection is permitted. The electrical system of both boilers shall be powered from a single branch circuit without exception.