LP to NG conversion for Carrier Weathermaker 9200 MXA

dinoflash1

My Weathermaker 9200 MXA was originally converted from NG to LP and now I need to convert it back to NG. I did not do the NG to LP conversion but I do have the orficies and spring for NG and want to do this job myself. I'm fairly comfortable with doing the replacement work however I am concerned about whether any "adjustments" are needed for the gas value? Since the furnace is working fine now...do I just change the orficies and spring or are there other items I need to do? Thanks

hvactech126

you would need to set the gas pressure. This is done using a manometer and I would recommend a professional for doing so.

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