I want to convert a model 3e476b propane counter

Help in the link, but you LPG Gas fitter should know all this. All gas installations must be done by a gas certified technician.

https://www.google.com/search?q=Dayton+Furnace+3E847+LPG+Pilot+orifice+size

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Yes... you just need a retrofit kit.

If it has a position for natural gas/propane then it needs to be changed to the position that the gas source is either propane or natural gas..

you need too change the orfice about 10.00

Hi,
Call this number 1-800-323-0620 That is the Grainger Parts line. The Dayton units are all made for Grainger.
They will be able to tell you (1) if the unit can be converted.
(2) If the parts are available to convert that unit.
(3) You will also be able to order the parts directly from them if they are available.

I hope that this will help you to solve your problem!

Thanks for using Fixya!!

Heatman101

what is the model # for the furnace. You are going to have to change the pilot orofice and gas valve for natural gas also.

yes it can you must change the gas valve and the converter to propane,may have to change orafice on burners.any good plumber can do this for you.

Big enough propane tank? proper pressure reducing valve on the propane? Check both of those.

Would have to have conversion kit IF available. Must get from mfr. The Dayton brand is owned exclusively by W.W.Grainger. Not sure if someone else makes their furnaces for them. Start w/ Grainger, if they won't sell to you maybe they will give you the name of a company who will work on it. Good Luck!

you can look for a gas that we go in place of the one you have, try national energy they sell gas valves and should have one to fit your heater , i would change the thermocouple as well .
hope this helps