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Old 10-10-2013, 10:21 PM   #1
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Heil furnace won't stay lit.


We turned up the heat at our 5 year old cottage. Our furnace comes on and the blower starts up, the igniter glows and the gas starts the flame but it runs only for a few minutes. Then the gas stops and the flame goes out as the green light comes on and blinks three times every 10 seconds. There is a trouble shooting information printed on the door that says it could be the pressure switch. I tried to blow air through the rubber tube coming from he pressure switch. It didn't fix the problem. When I sucked air through the tube I could hear a clicking sound. Do I need a new pressure switch? Also the catch had water in it. I blew it out as well but it made no difference either way.

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Old 10-11-2013, 06:58 AM   #2
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Heil furnace won't stay lit.


After blowing out the pressure switch tube and water did you try cycling the power to the unit again at the breaker or switch? Did you check to make sure the vent is clear?

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Old 10-11-2013, 07:12 AM   #3
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Heil furnace won't stay lit.


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Originally Posted by jcatania View Post
We turned up the heat at our 5 year old cottage. Our furnace comes on and the blower starts up, the igniter glows and the gas starts the flame but it runs only for a few minutes. Then the gas stops and the flame goes out as the green light comes on and blinks three times every 10 seconds. There is a trouble shooting information printed on the door that says it could be the pressure switch. I tried to blow air through the rubber tube coming from he pressure switch. It didn't fix the problem. When I sucked air through the tube I could hear a clicking sound. Do I need a new pressure switch? Also the catch had water in it. I blew it out as well but it made no difference either way.
if its and 80% furnace trace hose from pressure switch to inducer motor and use small wire and clean out port...ben sr
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