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    Blakehughes Posts: 1, Reputation: 1
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    Feb 22, 2010, 08:48 AM
    Troubble code flash 3 times says pressure switch stuck open
    Trouble code flashing 3 times says pressure switch is stuck open tried jumping it out and got no change went to door switch and jumped it out nothing then reinstalled switch and furnace came on but when I put door back on went into trouble code 3 again. Can you help?

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