Question about HeatSafe MN300TPA Heater

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My Pro-Com gas radiant vent free heater model # 300TPA pilot light is going out. I am looking for a parts list and description

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Pilot turns on and so will unit for about. 5 minutes...pilot flickers as if there were air blowing into it...any suggestions? It is. A Pro-com MD100TBA

the flame confirmation thermocouple might need looking at biased on your description , this item sits inside a stainless steel metal tube that's about 1.5 inches long an is someplace around the edge of the heater , this item confirms that the main flame has lit and shuts off the pilot most times too . this is why I believe it is not working

Jan 18, 2016 | Procom 10K BTU, Vent Free, 2 Plaque...

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Burner for corcho wall moont heater model number ck30t3lt

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    SunStar Corcho Vent-Free Natural Gas Infrared Heater with ... > ... > SunStar Heating Products Space Heaters
    SunStar Corcho Vent-Free Natural Gas Infrared Heater with Manual Controls ... For added convenience, you can mount this heater on a wall or have it stand on ...

    Tech Video: Wall Heater Maintenance - YouTube

    ? 3:33
    Oct 19, 2010 - Uploaded by FMIPRODUCTS
    How to clean the Vent-Free Wall Heater burner's & pilot. ... Fix Mr Heater Vent Free Pilot Problems - Part ...


Dec 14, 2015 | Heating & Cooling

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How to set gas control knob on 18,000btu empire heater its out of whack

CORGI used to be the registered engineers for GAS appliances, but this has now been superceeded by 'GAS SAFE' contact any GAS SAFE engineer.

Oct 08, 2014 | Empire Comfort Systems SR-18LP 18,000 BTU...

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My heater was turn on and did not burn as it should and 2 of the panel turned black and now will not burn, how do i clean them to make them work proper again?

From what you have described, it sounds like your heater has not been cleaned and serviced in quite a while. Further, the model number you listed is for an LP Gas blue flame convection heater, not an infrared heater like you described ("2 of the panel turned black and will not burn".

Which ever it is the solution will be the same ... The unit and the gas to the unit needs to be turned OFF and the front of the heater cabinet needs be removed, so you will have access to cleaning the interior and the mechanical parts. You will find sheet metal screws on each side of the unit and the top, that will have to be remove to remove the front of the heater. Using a shop vac with a hose and brush attachment, start cleaning the interior of the cabinet. Then move on to the radiant plaques if so equipped. Vacuum them carefully and the remove them and set aside, where you won't accidentally step on them. Now, you have access to the burner and the pilot assembly. Vacuum the burner thoroughly and also vacuum the pilot assembly. Switch to a can of compressed air with a straw nozzle (like you clean your computer with) blow out the pilot and the ODS Sensor (Please see link to your Owner's Manual,on how to properly accomplish this). After everything is thoroughly cleaned, reassemble the heater in the reverse of how you disassembled and remove the plaques. Turn the Gas ON, purge the air from the gas line by holding down the gas control knob, while in the PILOT position. Once you smell gas, release the control knob and wait 5 minutes before attempting to light the pilot.

To help you further, I have included a link to the Owner's Manual for your model DESA Vent-less heater model you listed. You can download and print it for future reference.

I hope this helped you to solve the problem and provide Annual Maintenance to the unit. Thanks for choosing FixYa.

Sep 21, 2011 | Desa International GWP20T GLOWARM Wall...

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The pilot light is out on the water heater. It will not re light using the posting directions. this happened a while ago and I called a tech. They were able to easily fix. There is some little thing...

Better description is needed. Add a comment.
Do you have tank or tankless water heater?
What brand heater and what model shows on label?
If tank water heater, what does gas control valve look like? Is it electronic?
Open following link to help identify tank-type gas valve.
Does pilot light start up and not stay lit, or is there no flame whatsoever?
What color is the flame?
Are you using piezo igniter or a match to light pilot?
Is there a power vent sitting on top of unit?
What happens when you get more fresh air to unit?

1) Maybe the thermocouple is bad. Or thermocouple is mis-aligned and not sitting in the flame.

2) Probably the technician should have cleaned the combustion parts.

3) Tank-type and tankless water heaters require cleaning on a yearly or semi-yearly basis. This action prevents lighting problems, and help prevent ECO events and that require replacing gas control valve.
Cleaning and general service including cleaning burner, cleaning air intake if that applies, checking for proper venting and vent obstructions, adequate air supply, backdraft, testing thermocouple etc.

4) IF you have tank-type water heater, and do not have electronic gas valve or power vented water heater, the following troubleshoot walk-thru is very good:
Example photo showing parts for gas control valve.

Add a comment for more help

Sep 13, 2011 | Water Heaters

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Reliance 606 natural gas water heater - model #640YORT - water does not stay hot. pilot has to be clicked to heat and then u can use hot water til tank empty and it will not continue to heat water.

If I understand correctly, the pilot light is not staying lit.
You light the pilot and water in the tank reaches temperature.
Once hot water is gone, then pilot light has to be lit again.

Gas pressure is good, and gas is flowing.
Thermostat is working at high end because it cuts off heating.
Vent is working because tank heats up.
Air intake is working.

Gas control thermostat might not be reading low temperature. Replace gas control valve.
Pilot tube might be dirty. Clean burner parts and combustion chamber, and air intake, and vent.
Backdraft might be blowing out pilot. Check for constant updraft by running water heater 5 minutes, and then light match under vent hood and see if smoke goes up.
Very hot air can put out pilot, especially when water heater located in attic. Add ventilation.
Improper vent might have water dripping back down into combustion chamber and putting out pilot light and rusting out the parts. Inspect for rusted parts and water.

Aug 09, 2011 | Reliance Natural Gas Water Heater Control

1 Answer


The manuafacturer of this product has a techical support website. They list manuals, service manuals, and part distributors. You should be able to find what you need there... I hope this helps!

Jan 20, 2010 | All-Pro Propane Garage Shop Heaters - All...

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