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Need help converting an older Majestic from NG to LP

Post in 'It's a Gas!' started by deluzbee, Aug 18, 2010.

  1. deluzbee

    deluzbee New Member

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    Hi Everyone,

    I'm new to this forum so hello and i'm glad to be here.
    I have a question I purchased an older Majestic natural gas fireplace on CL. Model# RFG36A. Its a free standing retro fireplace from the 70's I think. Can anyone help me figure out how to convert it to liquid propane. I tried calling Majestic and they say its obsolete and there is no parts available. Anyone think otherwise let me know please. Its a beautiful white enamel fireplace and I'd hate to loose it.


    thanks
    Jonathan

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  2. Wood Heat Stoves

    Wood Heat Stoves Minister of Fire

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    probably needed a full vavle and burner assy, not just a regulator and new orifices
    can you confirm?
  3. deluzbee

    deluzbee New Member

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    I'm not sure. The stove is complete and set up for NG. I would imagine I do need those things. Is the conversion possible ?
  4. vvvv

    vvvv New Member

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  5. deluzbee

    deluzbee New Member

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    Majestic isn't even around anymore. Some other company bought them out. I called the new company and all I got was a VM. A dealer called for me and they said my fireplace was obsolete and that there is no conversion. I think there has to be away. Unless my unit just cant handle the heat from the propane.
  6. Wood Heat Stoves

    Wood Heat Stoves Minister of Fire

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    http://www.mhsc.com
    Customer Svc. # - 800-525-1898
    You can obtain most manuals on the website, otherwise call the manual hotline: 800-525-1898 ext.2500
    Use 800 525-1898 ext 7504 for vermont tech 10-21-2008 dg
    ------------------------------------------------------------------
    Customer Svc. # - 800-525-1898

    now owned by monehson hearth

    it might take a new burner, in which case, no not convertable w/o it.
    or it might just need a regulator, pilot and main burner orifice.
  7. deluzbee

    deluzbee New Member

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    Thanks for the help. I tried calling and looking on line. MH said that they would try to see if they can find a manual, but seemed pretty sure that they didn't have one. I tried Tech support but no one was in. I will try in the morning. Much appreciated. I acnt seem to find much on this model. Its a freestanding mid-century that looks like a bubble.
  8. deluzbee

    deluzbee New Member

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    Here is a picture of the stove. Maybe someone will recognize it or have more ideas. No luck so far with any dealers. Thanks much appreciated.

    Attached Files:

  9. vvvv

    vvvv New Member

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  10. deluzbee

    deluzbee New Member

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    thats true. I live in San Diego so heat is not much of an issue. It would be nice if it did put out more heat.
  11. deluzbee

    deluzbee New Member

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    It may not be around for long if I can't convert it. I may have to sell it or trade it for another fireplace.
  12. vvvv

    vvvv New Member

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  13. Wood Heat Stoves

    Wood Heat Stoves Minister of Fire

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    dont listen to this, they aren't even legal in CA
  14. Wood Heat Stoves

    Wood Heat Stoves Minister of Fire

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    ok, so it has a robert shaw valve, more than likely we can convert that.

    steps:
    does the stove have a label? if so, that will tell us ng and lpg specs--take a close up picture
    check valve label, is it the robert shaw 7000?
    remove vavle regulator-two philips screws, its the hi/lo knob...---take pic
    remove pilot and main burner orifices--take pic
    since the burner will be removed, take a pic of it, and any air/fuel shutter connected to burner or main burner

    i have all the majestic books from the 80's as far as i know i'll dig when i get a minute, they haven't been digitized yet, sigh
  15. vvvv

    vvvv New Member

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    why not?
  16. deluzbee

    deluzbee New Member

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    Thanks Dave. I'll start taking the parts apart and I will take some pictures. Be back later with that.
  17. Wood Heat Stoves

    Wood Heat Stoves Minister of Fire

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    put a gas log set in this freestanding gas stove? close damper so it vents into home--ventfree appliances are not allowed in living spaces in CA--
    who tested the gas log set for this application?
    pook:
    if you make a recomendation that is potentially dangerous, or not to code, approved or tested by manufaturers,etc,
    you should say so in the post,
    or, if you dont know, say so
  18. vvvv

    vvvv New Member

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    vent free is still legal in me. because it has the ODS. A DAMPER WOULD STILL HAVE HOLES FOR VAPOR TO EXHAUST which is main objection to ventless. I know this app would work safely but please tell me why not= I love to learn. ya, i forgot to mention the necessity of a CO detector but so did you...........I'm listening
  19. deluzbee

    deluzbee New Member

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    Ok, I took apart everything. Here are the pictures.

    Attached Files:

  20. vvvv

    vvvv New Member

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  21. Wood Heat Stoves

    Wood Heat Stoves Minister of Fire

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    oops, its a honeywell. not sure how to convert that valve, any one know how>??

    still need to take pilot tube off of pilot assy to get to pilot orifice......

    the mb orifice looks very common, it could be braised shut, and re-drilled to a smaller size

    anyone have gas orifice vs btu rating chart handy??, that will tell us the mb orifice size for a 21,000 btu burner
    some care and experimenting will be needed to get the right size, my advice, start with a tiny orifice opening, and work your way up.

    burner looks fine, does the air fuel shutter open all the way? it will need to be wide open for lpg typically
  22. deluzbee

    deluzbee New Member

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    What does the pilot tube look like. is this it ?
  23. deluzbee

    deluzbee New Member

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    I took it off is this it ? Do you think i'm better off just replacing the honeywell unit with a new propane unit and a new burner assembly. Is something like that even available. If its all the same relative size I can probably get it all into the fireplace.

    Attached Files:

  24. vvvv

    vvvv New Member

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    the final say on this is your code inspector with whom you should first discuss whatever you decide to do before you do it. redrilling the burner tube would probably void UL listing of the stove
  25. Wood Heat Stoves

    Wood Heat Stoves Minister of Fire

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    the pilot orifice is on the other end of the pilot tube, under pilot hood

    i dont know of any new valve/burner systems that could go into the unit, certainly none that would be approved for that use....

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