How do you convert a coleman 425e into a propane stove

Assuming you are referring to the Coleman Campers Grill Stove which is a side by side grill and stove unit than it is a pretty simple set up. All portable Coleman stoves set up basically the same. There should be a arm known as a regulator that came with the stove. The narrow end of this attaches to the right side of the stove and screws in. Then the propane bottle screws into the other larger end. make sure all connections are screwed together tightly. For more clarification check out these instructions:
http://www.ehow.com/how_2106008_use-coleman-stove.html
https://www.youtube.com/watch?v=dbYil-YQ8-Y

Good Luck!

You could try Coleman, they might be able to supply one.

The Coleman Company, Inc.
3600 North Hydraulic
Wichita, KS 67219
1-800-835-3278
TDD:316-832-8707

It should have a shut off valve on the left side. You should turn it clock wise and turn off the second burner

Yes. There are multiple adapters made to fit this application. Your local walmart most likely will have them. http://www.walmart.com/ip/Coleman-5-High-Pressure-Propane-Hose-and-Adapter/19897422

Try Coleman directly.
The Coleman Company, Inc.
3600 North Hydraulic
Wichita, KS 67219
1-800-835-3278

If there is no nearby repair dept, try Colemn.
The Coleman Company, Inc.
3600 North Hydraulic
Wichita, KS 67219
1-800-835-3278

You cannot. It will not vaporize to operate in the burner.

here is the link to all of the coleman manuals.

http://www.coleman.com/coleman/manuals/manuals_resp.asp?category_id=1100

the fuel to air mixture is set incorrectlty or your pressure at the ouitlet for the gas valve is too low.
you culd play around adjusting the first part of this but for the gas valve part you have to have a manaometer to check it out correctly. then it should be set at 10"wc. Good Luck

Check to see if Coleman has an attachment to replace the regulator, so that you can use a five gallon cylinder with your stove and your own regulator.