Original message
| cwhyle
 |  "Furnace Orifices"
, posted Fri 8 Aug 11:13  
I am in the process of switching from LP to Natural gas. I have changed dryer orifices before without any problem. Is furnace orifice replacement similiar? Where can I find the correct orifices?
Thanks,
Chris
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Replies:
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| 341
| "Re(1):Furnace Orifices" , posted Fri 8 Aug 16:18
You need to get an approved conversion kit from the manufacturer.
Usually you have to change the gas valve and the orifices. If you don't have a manometer then don't bother trying... call a pro, or you'll probably destroy your heat exchanger.
www.hvactechgroup.com
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