I bought this heater from Northen Tool.com ( http://www.northerntool.com/webapp/wcs/stores/servlet/product_6970_200332747_200332747 ) and the description says liquid propane, but the description and manual make it sound like it is going to run on gas propane.
Does anyone know what this should be fed: liquid or gas? I need to make sure I have the right tanks. I was about to buy forklift tanks to feed it liquid.
Propane exist in a liquid state when it is under pressure in a propane cylinder. When the valve on the propane cylinder the pressure on the liquid is reduced and the propane reverts back to gas state.
Also, regarding the tank you need....
the owners manual probably states what size you will need but, with most heater like the one you have it will require a 100 lb tank (approximately 25 gallons). You will also need an inline regulator set to 11" to 14" of water column between the tank and the heater.
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I wold check gas pressure to your heater. If it's natural gas it should be about 4 ounces at gas valve. If it's propane/L.P. it shoul be about 7 ounces. If you have a gauge that you can check the pressure with there is usually a port on gas valve that is plugged and usually stamped test. Hope this helps you, Thanks
you need to find a place that makes your type of heater and they will have a change over kit all it is different orfices and jetcovers for each gas jet from your heater its self explanitory once you see the parts,sometimes there are different gas comp. that if you use there service they will change you over at no or little cost. hope this helps
I have a similar problem. But, I want to convert it to propane. I have a 5 burner vent free modelMN300HPA. If your are handy. I would consider shipping you the parts inside mine to install in yours. These parts are very simple to remove after removing the access panels. I have taken mine out already. Called procom then to no less find out the propane parts needed are not sold by them. I think only the injectors (5) the main valve (regulator) and the pilot are the only things need to change. When taking out the pilot this is easly done, By removing the nut on the supply line. And then bending back the retaining tabs to then slide back the pilot then it comes out of the assembly bracket. Injectors are simply removed. Regulator located at the bottom is a simple remove. The only other item that might be questionable would be the valve that selects the amount of burners you would like to operate. And I would think this would be the same and not need removing. Let me know if I can help. I would like to get mine converted to propane. Thanks Tom
Empire makes a wall heater that is direct-vent that looks similar to vent- free wall heaters. Here is a link to a website that sells their products... http://www.mastersalesonline.com/empire/index.html. I am not sure of the prices you will need to call the on-line store. I hope this helps you.
My manual shows three possibilities: 1) Insufficient fresh air available for combustion, so ODS kicks off gas flow 2) Low gas line pressure (should be between 11 and 14") or 3) ODS/Pilot is partially clogged. Toll free number for ProCom is 877-886-5989.