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    quignice's Avatar
    quignice Posts: 1, Reputation: 1
    New Member

    Nov 7, 2010, 05:26 PM
    How can I convert my Goodman furnace from propane back to natural gas?
    I recently had gas lines ran to my home and now want to get rid of propane. I have Goodman mod CAPF4860D6BA s/n 0806245469.. Can't seem to find much but going from gas to propane but not the other way around..
    ballengerb1's Avatar
    ballengerb1 Posts: 27,379, Reputation: 2280
    Home Repair & Remodeling Expert

    Nov 7, 2010, 05:52 PM

    You install new orifices to change from NG to propane. Reverse process and install origginal orfices should do the trick. You may need to stop by a HVAC shop or gas provider to get a kit. However, inspect the area around and near the orifices, many installers tape the old orifices inside the cabinet
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert

    Nov 7, 2010, 06:51 PM

    Ballengerb1 is correct. You will need to take the model and serial numbers to a local hvac shop and have them order you a conversion kit. The kit will consist of orifaces for the manifold, and a spring(or two springs if it's a two stage gas valve). This really is a simple job, but, really should be done by a pro, as the gas pressures will need to be adjusted correctly, which requires the correct instruments to achieve. When dealing with gas, I would suggest definitely having a furnace tech perform the job. They should be able to convert the system safely in short order. Please let us know how things work out.
    angell5's Avatar
    angell5 Posts: 3, Reputation: 1
    New Member

    Mar 10, 2011, 09:10 AM

    Is the nozel located right inside were the gas line meets the gas valve
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert

    Mar 10, 2011, 04:22 PM

    Hi angel. Depends on the unit. If you can post a pic of your gas valve and burner assembly, I should be able to tell you. Usually only ceiling hung unit heaters, and some mobile home furnaces have one orifice right off the gas valve, but there are other units that I believe do also.

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