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Mr heater big buddy propane heater pilot light stays on move the knob to low and will not light almost puts the pilot light out. i even done the jumper wire and still nothing.

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6ya6ya
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Posted on Jan 02, 2017

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Buffalo12980
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SOURCE: Mr. Heater Buddy Portable Problems...

ok, your unit must be propane. look on the back where the propane line feeds the nozzle. there should be a very small copper line with two spade connectors on it. this is your millivolt generator line. with a flame at the nozzle the generator makes a very small electrical current which feeds to the main valve and keeps it open. take a piece of wire and jumper these two spade connections together and try lighting the unit again. if it stays on, the hi limit is shot. you can get by with the connections jumped out, you just don't have the safety margin if it were connected. IF with the spade connections jumped out the unit still shuts off, the generator tube needs to be changed.

Posted on Dec 26, 2007

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  • 8 Answers

SOURCE: Patio Heater pilot lights won't stay lit

crappy pilot flame (not properly heating the thermocouple), bad thermocouple, thermocouple loose where it screws into the pilot safety valve, bad safety valve magnet.

One or more of those is the problem.

Oh...there is also a saftey switch...in case it tips over. It will also cause the pilot to not stay lit (if the switch or wires that go to i are faulty)

Posted on Jun 18, 2008

  • 1 Answer

SOURCE: Mr Buddy Heater Flameup on ignition

It sound like the pivot inside the regulator is damaged. I think that you will need to replace the regulator.

Posted on Jan 05, 2009

  • 182 Answers

SOURCE: mr. buddy heater- pilot light goes out when i

would try to replace the thermocoupler for the pilot light and this should cure the problem.

Posted on Dec 22, 2010

  • 1 Answer

SOURCE: ProCom blueflame heater pilot light difficult to light

The igniter want light

Posted on Mar 29, 2011

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1 Answer

Pilot will not stay lit on my mr. heater buddy. where do i get a thermocouple for this buddy model no. MH9BX


First follow this trouble shooting guide to make sure you need one-http://www.mrheater.com/product/faqs/little-buddy-troubleshooting/ Then Amazon http://www.amazon.com/Mr-Heater-Pilot-Assembly-Portable/dp/B008DBRB8W Make sure it's the right one for your model heater.0810snp

Feb 24, 2015 | Mr Heater Base Camp Portable Buddy Propane...

1 Answer

When I press down and turn the know the pilot lights but as soon as you let up on the knob to turn it there is a click and the pilot light goes out.. This is on my Mr. Heater Big Buddy


When the pilot lights continue holding the button down for a full minute and then release. It should stay lit then to allow you to turn it to the on position. If the pilot will not stay lit after holding it for the full minute, then the thermocouple will need to be replaced.
Hope this helps.

Sep 16, 2011 | Mr. Heater Big Buddy Heater

1 Answer

Big buddy heater, push the control knob, click to light the pilot, hold for a minute or so, let off the knob, pilot goes out. Second heater did the same thing, using a 20 lb. tank with a inline filter


Inline filter? Did you mean inline regulator?

Sounds as if the Oxygen Depletion Sensor (ODS) may be clogged with dust and lint. You will need to open the heater to access the Pilot Assembly (the ODS is part of the Pilot).

Once you have done this, use canned compressed air with a straw nozzle attached (like you clean your computer with) to blow out the pilot tip (just a quick shot of air please. Then look down the pilot from the flame tip and you will se a small hole in the side of the pilot. That's the ODS sensor. Place the straw nozzle just barely into the hole and give it a quick shot of air. That will blow any debis out of the ODS sensor. Any other dust, lint and/or pet hair you see inside the heater should be cleaned out.

Once you have done this, if the heater will allow it, light the pilot as usual and see if it holds after releasing the control knob. If holds, great! If doesn't, relight and hold the control knob in and look at the pilot flame. Is it curling up and away from the Thermocouple? If so, try cleaning the pilot again. That should solve your problem.

If it still won't hold after it's lit, you will need to replace the Thermocouple.

Hope this helps to get the heater working again.

Feb 25, 2011 | Mr. Heater Big Buddy Heater

2 Answers

Mr. buddy heater- pilot light goes out when i stop pushing it down- even after holding it down for 2 min.


would try to replace the thermocoupler for the pilot light and this should cure the problem.

Dec 22, 2010 | Mr. Heater Mr Heater Portable Buddy...

1 Answer

Pilot after a few minutes of operation flutters and slowly goes out. lil Buddy Heater


The thermocouple is bad or not aligned properly. It is the metal bar in front of the pilot light. This bar senses the heat put off by the pilot light. If it does not get hot it will not allow the gas to flow. You either need to align it so that it is in front of the pilot light and receives enough heat to allow the gas valve to operate or possibly the thermocouple has gone bad and needs replacing.

Nov 25, 2010 | Mr. Heater Mr Heater Portable Buddy...

5 Answers

Stays lit for 25 minutes and shuts off


How large and sealed of an area are you using it in? I ask because those units have a low oxygen sensor which will shut it down if there is not enough oxygen in the space.(kinda prevents that pesky suffocation thing). Otherwise if using it in larger cold spaces, the issue is can be from the smaller tanks. As mentioned above, a larger tank can solve this, because these units have a fairly good input rate, which will cause the smaller tanks to freeze, and lower the propane temperature and evaporation rate, basically runs out of gas until the tank warms back up.

Jan 19, 2009 | Mr. Heater (F274825)

2 Answers

No propane comes thourgh pilot on mr buddy heater


If the pilot will not light get a q-tip and alcohol and remove the wire grill and be sure the cotton doesn't come off the end of the stick wet the cotton with the alcohol and twist it and push it down into the pilot tube 2 full inches. Let the alcohol soak for 30 seconds and while twisting pull the q-tip out. Try this until the pilot lights.

Jan 01, 2009 | Mr. Heater Mr Heater Portable Buddy...

1 Answer

Can't turn gas **** past pilot


Unfortunately, Mr. Heater does a very poor job of writing user manuals, I didn’t even know my unit had a quick connect until I saw it on the side of the box. As it turns out, the spring loaded fuel **** has three positions; full up for safety lock, fully depressed to select/ignite the pilot, and half depressed to select the heat levels. I guess it was just dumb luck that I managed to get it to work the first time since there is nothing in the manual about this. Since I discovered the third position (sheerly by accident) I have not had any more problems.

Dec 22, 2008 | Mr. Heater Mr Heater Portable Buddy...

1 Answer

Mr. Heater Buddy Portable Problems...


ok, your unit must be propane. look on the back where the propane line feeds the nozzle. there should be a very small copper line with two spade connectors on it. this is your millivolt generator line. with a flame at the nozzle the generator makes a very small electrical current which feeds to the main valve and keeps it open. take a piece of wire and jumper these two spade connections together and try lighting the unit again. if it stays on, the hi limit is shot. you can get by with the connections jumped out, you just don't have the safety margin if it were connected. IF with the spade connections jumped out the unit still shuts off, the generator tube needs to be changed.

Dec 25, 2007 | Mr. Heater Mr Heater Portable Buddy...

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