Converting a Goodman GMNT 080-4B from NG to propane

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Old 11-11-04, 10:16 AM
J
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Converting a Goodman GMNT 080-4B from NG to propane

I have a furnace that we are trying to convert from Natural gas to Propane. The kit comes with an orifice size of 1.25 is this correct? The reason I ask is my nephew (who is in the HVAC business) is having issues getting the conversion done. He says he can get the WC pressure to adjust but can not get it to dial in. The flame is not right it is too big to be sure.

Any help is appreciated.
 
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Old 11-11-04, 12:10 PM
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Usually conversions involve a new gas valve and new orifices. I'm pretty sure you have to replace both.
 
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Old 11-12-04, 05:09 PM
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i think i use #57 orifices when converting, those and the spring and screw in the valve. the kit that you buy to do this has all the pieces needed for your valve. sounds like he has some spare parts.
 
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