Replace control valve. After disassembling the pilot/ign. The question is asking, how to bypass/disable the sensor. You can’t leave them on for very long before the van get too hot. Would that correct the problem. Thanks! I’ve debated using a big bottle instead of the little canisters but I don’t want to take up the space and I’ve only gone thru about 10 of them in the last 3 months….and I’ve been thru some cold nights. To me the many advantages of a bulk bottle make it a no-brainer. Get it as soon as Tue, Jan 5. Brand new to van-living. But when you take off the regulator and connect them directly to a high pressure camping appliance through an adapter hose, the high pressure pulls the plasticizer out of the hose and that is what plugs up the Buddy Heater. But I hate our throwaway culture, especially sincein these days of being environmentally friendly, especially since I enjoy nature and the outdoors while camping with my heater, and because my Scot blood hates waste. If stripped, replace knob. Hit a bad one as I did, and there’s plenty of excitement until 10 seconds after you turn off the main valve at the bulk tank. Bob. falling of the inside walls of the tank, but in fifteen years of RVing, I have had to grab a wrench and give the nozzle a good alcohol bath on several occasions. Reconnect tip switch wires. your heater was in the batch of recall by mr heater. Don, thanks for that tip, its easy to give it a try and see if it helps. I've been a full-time VanDweller for 12 years and I love it. Are there National Forests in FL that let you stay 14 days at a time, free of charge? Do not just reef on it with a pair of pliers or something! Do Not blow high pressure air into it. Set the multimeter to read millivolts, then start the pilot and have your helper hold in the gas control knob to keep it burning. Portable Buddy worked when needed last year, then put into storage for a year. Hello Jim, thank you for your inquiry. Knock on wood its now lighting, staying lit and working fine. Reviewed in Canada on … OEM Pilot Assembly for MH4B Buddy Heaters. That reduces the cost of the propane by 75% but plugs up the orifices in the heater. Do you know what’s wrong and if so, can it be fixed? Bob. 5.71 inch. The burner should be bright orange (with a slight blue color around the border, a red-orange haze that is visible on the ceramic tile is acceptable) and without a noticeable flame. I agree Joe, I’m not a slave to the rules but the little green bottles were built to be used one time and to use them repeatedly seems like it is stretching safety to far, I wouldn’t do it and if I did I wouldn’t keep the bottles inside the van. I have used a Buddy heater for the last 2 months. Basically, if you unscrew the hose while there is still pressure in it, that creates the problem. I’ve only used propane from a bottle…so what gives? Dick, I’m sorry, I don’t. It'll probly fire right up. Matt, I’m sorry but i really don’t have any help to offer. The green bottles are a high pressure item designed to be screwed directly into the appliance. I suspect it is an orifice problem Bob Dobbe. 4.44 inch. I took it apart and blew out each fitting and it worked great for about a week. Hand tight until snug, then 1/4 turn with wrench. Ask your question again and be very specific what you are using and what your doing to what, especially the tank and the appliance. Buy It Now. long thermocouple lead is for use with Item#s 173632, 173633 and 1729. Mr. Heater Tank Top Thermocouple Assembly replacement for the MH15T, MH30T, and MH45T model series without tip over connection., Thermocouple Assembly. Page 2 The Little Buddy™ Mr. Heater Inc. 4560 West 160th St. Cleveland, Ohio 44135 • 800-251-0001 Mr. Heater reserves the right to make changes at any time, without notice or obligation in colors, specifications, accessories, materials and models. By the way, you are using the filter, aren’t you? I love my Mr. Heater. David, did you use a filter? Bob, This is very good information! Top Rated Seller Top Rated Seller. The heater was working great no problem until recently it started randomly shutting off. Control knob not depressed long enough. This may be a dumb question, but can’t the small canisters be refilled? I wish I could be more help but I have never had a MR Buddy apart and I just don’t know. Remove knob and verify 2 flats that mate to control valve stem are not stripped. It would fare up (more than normal for the valve setting) and then wane and possibly go out, or flare up again. It is available in paperback for $6.71 from Amazon.com here: Part # 15155 For Mr. Heater MH4B Buddy Heaters If you are unsure, please contact us us with your model and serial number and we will be happy to help. 1 gallon bottle (very small, tucks in anywhere) $60. Any suggestions would be appreciated. Could be going bad. Bob, i have mine hooked up to a 20 pounder i have 2 diffrent tanks and one is new and one is older and when i turn them off gas still comes out i never had this problem befor and i can smell it and i will burn the gas out and 5 minutes and can light the pilot light again it will burn out then i can do over do you know why. Any bubbles will indicate a leak – if so tighten the fittings slightly more and recheck. This is an authentic Mr Heater replacement part. If you vandwell in a cold area, one of the best things you can have is a Little Buddy Portable heater because they are cheap, safe and reliable. Thanks for the response. I have the “Little Buddy” which is is the smaller version that sits on top of a 1lb propane bottle. I hope after all that it was running good at last? Only 1 left! Mr. Heater also makes a special hose designed to be used with the portable Buddy Heaters that they claim allows you to not use the fuel filter. Your fix? Up until now I have not had any issues and it’s been just what I needed. After commenting, I googled it and came up with the same info. Orifice soaking in alcohol – allow it to air dry. Your very welcome Al. Features + Benefits. Big Buddy Hose with Regulator is most commonly used to hook a 20 lb. The too long noisy pilot flame with orange tip and going out unexpectedly. I know that sounds like a thermocouple problem but what a coincidence! Bob. I live next the Pacific Ocean where it rains quite alot throughout the year. Mr. Heater Buddy Parts | sku: MRH-15153. But first let me explain the problem. I know you don’t know much about the Mr Buddy heater, but maybe you know about the flame on these type heaters. I have two others, and they burn blue, and don’t go out as easy as this one. It makes sense that was rust because you have a low pressure system with a regulator, so it can’t be the same problem we are having with the Buddy heaters. Bob. bottle, to make sure it’s not from lack of pressure, but I’m thinking that I should try your remedy first, as long as I didn’t ruin the orifice. Will replacing this part make my heaters work? It could be rust or dirty fuel either one. Why not just hook it up to the bulk bottle? It will burn all the gas in the line off and then go out and no more will come out until you open the valve again. Replace pilot assembly. Greg, your letter isn’t completely clear. Thanks Roger, I hope you get it working! ... Mr. Heater F278527 Pilot Assembly for Big Buddy,Multi. We have no further information. Mr. Heater Buddy Parts MR. HEATER 15155 ODS ASSY,MH4B. Cheers, Amazon sells the special hose but what I have heard is that it really doesn’t work, you still should use the filter. I’m starting to wonder if it’s not quality control on their part. 0 Reviews. Your email address will not be published. If not, then you likely have a different problem. Great information! Here is what I did to fix the issue: If the pilot light will not stay lit when the control button is released or goes out while the heater is in operation, the pilot orifice may be partially blocked. 5 mr. heater part 15155. I can’t take it back to fleet farm where I bought it because it’s used and I don’t have the box it came in. They have a plasticizer in them that keeps the hoses flexible. Only 6 left in stock - order soon. One from the thermocouple and the other up to the regulator. It'll probly fire right up. Link to post ... Had both my big & little buddy for years with no problems ... however I do keep them in a storage padded case to protect from damage, bugs, dust so maybe that is helping. I have been using a mr heater buddy for a year. The others ones are older and have a seperate sparker button (much better in my opinion) Orifice probelm? MR. HEATER 15154 SHIELD,HEAT,MH4B. But they have one problem; they need to be used with a fuel filter if you are going to connect them to a bulk bottle, otherwise their orifices will plug up. After pilot is lit, keep control knob depressed for 30-60 seconds. Buddy sells parts for it, maybe if it doesn’t work you could try to replace the thermocouple. Run from 100lb tank outside the trailer. Al Christensen recently posted…Bedtime for Lesa. The problem is that the special hoses cost about three times as much as one filter, and are hard to find ( though I found the reference in the Mr. Heater FAQs, I couldn’t even find it in their product list). I put a piece of duct tape to hold the door tightly closed and it started the first time after that and I haven’t had a single problem since !!! That’s what I’d do. Bob. Myddy recently posted…Back to the rat race, Myddy, if you are in cold country the Buddy heaters work really well!! Bob. You can also Narrow by type, model, power source and heating technology or opt for one of our Mr Heater mr heater feature picks. Pull out the bottom back side of the sheet metal panel. NEW Mr. Heater 12-Feet Hose/Regulator … View Return Policy. Do you have any idea what is going on? What's Included (1) Thermocouple Lead. I’m sorry Rich, I really don’t know enough about them to make any suggestions. If you turn an appliance off there is still gas in the line so if you turn it back on then the gas in the line still comes out. Blow out. Mr. Heater Buddy 4,000-9,000-BTU Indoor-Safe Portable Radiant Heater Cleaned the pilot orifice in alcohol, reassembled n now pilot lites n stay lit n my Mr Heater knock on wood is working fine. Narrow by type, power source, model and fuel type. Lately it has started to exhaust similar to kerosene smell. Thank you much. I’d say you have nothing to lose by trying what he suggests. I am little frustrated I should have bought the right connection and filter At the same time I purchased the new type of hose that doesn’t leach oil into the fuel stream. This from Mrheater website, hope this helps. But, lately, it would not stay lit or would go out immediately when the gas valve was turned up. Use it and stop long term seepage of the propane. Use two wrenches – one to steady the joint while loosening the gas tube nut with the other. Verified Purchase. Filtered since it was new. I attached a 1# bottle with the same result. Destroy it hoping spring is finally here!!!!!!!!!!!... Especially easy things-that ’ s most likely the hoses flexible 32′ handicap FEMA trailer a film. I started having problems with consistent gas flow cold country the Buddy is ‘ fired. Know nothing about the Mr Buddy propane gas heater & Carry Bag find that my heater will “ flame ”! It over slightly when removing the orifice or you will have to do blew it out of the propane and. 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