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• Posted in thread: Intermittent pressure switch problem on 11-03-2012 at 06:45 PM
  1. How much suction should I expect from the draft inducer to the pressure switch? >What are
  your pressure switch spec's?Should it be really strong like it's sucking air strong or should
  it be slight?...

• Posted in thread: Intermittent pressure switch problem on 11-03-2012 at 10:29 AM
  Here's my problem. York Diamond furnace, heat turns on but after running for a while, turns off
  with 6 flashes indicating pressure switch opened 5 times after normal operation. Here are some
  observati...