Rudd furnace codes

Old 02-27-07, 05:48 PM
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Rudd furnace codes

Does anyone know what the different codes mean for a 90 plus Rudd drum furnace. The purge motor will start and stop for 4-5 times before burner lights. When furnace finally begins to run, it will only run for few minutes and start the process all over again. Where would you find the pressure switch on this furnace?
Old 02-27-07, 06:55 PM
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That model is notorious for bad heat exchangers - call a technician to have it inspected ASAP.


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