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Thread: Gas regulator

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  1. #1
    Join Date
    Feb 2004
    Location
    Ky
    Posts
    269

    Gas regulator

    Got 5 rtu's on common gas supply, each has it's own regulator after shut-off valve, before gas valve.
    My question is, do they have to be horizontally mounted, or will they work vertically as well?
    Arrow is pointing in the right direction btw.
    LN

  2. #2
    Join Date
    Jun 2006
    Location
    New Jersey
    Posts
    4,337
    It depends on the regulator. Did you get some numbers off them?

  3. #3
    Join Date
    Nov 2004
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    up in the hizzy
    Posts
    1,379
    they work either way, just make sure the arrow point to the right direction and depending where you are the vent must be protected from water/ice, check the codes.

  4. #4
    Join Date
    Jan 2008
    Location
    Tennessee
    Posts
    58
    Should work either position. As previously noted, make sure the arrow is pointed the right way ! Also, if mounted horizontally, be sure the vent is protected from water/ ice accumulation.

  5. #5
    Join Date
    Jun 2006
    Location
    New Jersey
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    4,337
    Not all regulators are mutli position. Most are, but for example.......

    From Maxitrol, "The RV81, RV91, RV111, & RV131 are
    recommended for normal horizontal position only."

  6. #6
    Join Date
    Feb 2004
    Location
    Ky
    Posts
    269
    This was an older Maxitrol #3253. Hopefully it's the same as RV53 and is multi position. Gas valve made a buzzing sound when I went to fire it up. Had 24v but wouldn't open.
    LN

  7. #7
    Join Date
    Jun 2012
    Location
    Atlanta, Ga.
    Posts
    2

    Does it have a vent limiter

    If this is an inside installation and the regulator has a vent limiter (looks like a brass plug on the top of the regulator) it must be mounted horizontally and the vent limiter must be pointing straight up.

  8. #8
    Join Date
    Feb 2004
    Location
    Ky
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    269
    It's outside on a roof. Vent plug looks like its the same as the rest of the housing.
    LN

  9. #9
    Join Date
    Jun 2012
    Location
    Atlanta, Ga.
    Posts
    2
    Then as long as the vent is protected from the elements your good to go. Have a great day.

  10. #10
    Join Date
    Jun 2002
    Location
    south jersey
    Posts
    1,104
    Quote Originally Posted by larnot View Post
    It's outside on a roof. Vent plug looks like its the same as the rest of the housing.
    You said vent plug on a roof. Is this a vent limiting device? If so , should not be on a roof top application. Vent should be vented to the atmosphere via piping or a special fitting that they sell. Vent limiters are not water or freeze proof. You can check this by removing it and seeing if it works.
    You need to put the phone down and get back to work!

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