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  • Posted by doyleheimerman on Aug 29th, 2012 at 9:28pm

    4 wire thermostat with this MGHA-056ABFC-05 furnace?
    I have a Nordyne MGHA-056ABFC-05 furnace. It currently uses a 624567 2 wire control board and 2 wire thermostat.

    Can I use a Nordyne 902987 relay control box (uses Nordyne 624625A control board) to connect a 4 wire thermostat to it?
  • Posted by drake729 on Feb 13th, 2011 at 5:51pm

    cannt get it to stay light
    My furnace went out during a bad snow storm. I replaced the thermal couple but I cannot get the pilot light to stay light. As soon as I release the button the pilot light goes out.

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