Re: Upgrade from Nutone Scoville Jay Rhee - 18th Jan 2006 7:45 I am interested in upgrading from Nutone Scoville Model 3003 series to current model. As you can see wiring is done already. Our house is two story town house. Whatever information about upgrading cost and timing would be very appreciated. Please suggest a company who can update, either by replacing the board or repair or new system in Torrance, CA area. Thanks Jay

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