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Lurch77
Premium
join:2001-11-22
Oconto, WI
kudos:4

1 recommendation

reply to SuperNet

Re: URGENT Furnace stoped working!

Your code is a 21, indicated by the flashes. This indicates a problem that is more in depth than most DIYers should tackle. It needs to be determined if the valve or the control board is faulty. You can check and ensure all the wiring is connected and not chaffed anywhere, between the valve and the board.