Question about Heating & Cooling
Gas furnance issue
Thanks for your question, I am mr.grzz,
there are to reasons your furnace is doing what its doing, either a stuck pressure switch, or a bad flame sensor, replacing the pressure switch is pretty easy, its a little round flat peice with a tube sticking out of it, if you take the tube off and **** into it, you will hear a little click, try running your furnace while doing this, if it lites off, then bingo, but you have to make sure you have sucktion to the switch !
now the othe thing that I mentioned is the flame sensor, another relitive easy part to replace, its the pencil thin rod that stick up in front of the burners, when the flame ignites, it impinges on the rod which lets you gas valve stay open, if it has a little buile up on it, it might not send the correct signal back to the gas valve, taking it out, and cleaning it with emery cloth normally does the trick, try that, hope my info was helpfull, thanks again for your question, mr.grzz
Posted on Jan 21, 2009
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Posted on Jan 02, 2017
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