Thread: hvac unit gas
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Old 12-26-2012, 04:23 PM
kurt h kurt h is offline
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gas pressure could be your problem. But not likely.you can buy a cheap manometer to check it though. If its locking out more often when its windy id think inducer fan, vent pipe,combustion air pipe or pressure switch.check tubing also.i dont know what the elevation is where you live. But if over 2000 ft you usually need a hi altitude pressure switch.as for limits they should ohm out 0 ohms.you can heat it and it should open.(infinate restince) youll hear it click.after it cools should close again.
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