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View Full Version : Bryant Model 330AAV code 43


garyperman
Feb 2, 2009, 12:29 PM
I have a Bryant Model 330AAV Upflow- the flashing indicator lights say it could be a Pressure switch, Draft safeguard switch stuck, or low heat pressure. How do I determine what the problem is?

KC13
Feb 3, 2009, 05:38 PM
Use a multimeter to determine which component is interrupting and/or preventing heating cycles.