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    captainkirkscott's Avatar
    captainkirkscott Posts: 1, Reputation: 1
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    #1

    Dec 12, 2009, 08:56 AM
    Pilot light stays lit, but the gas valve will not open
    I have an old Thatcher furnace model 53170. The pilot light stays lit, but the gas valve will not open to ignite the burners. I have a constant 24v across the transformer terminals. When I check the terminals at the gas valve I experience an intermitant 24v signal about every 5 minutes. I can't figuare out what would cause this change.
    KC13's Avatar
    KC13 Posts: 2,556, Reputation: 99
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    #2

    Dec 12, 2009, 11:17 AM
    Say... what street do you live on? Couldn't find anything on Thatcher, but this came up... can you post a few pics, esp. the gas control(s)?
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