Gas boiler in garage?

Discussion in 'UK DIY' started by Chris Hogg, Jan 30, 2010.

  1. Chris Hogg

    Chris Hogg Guest

    My mother has a rather ancient gas boiler in her kitchen. I've
    suggested that if/when she replaces it, she gets the new one installed
    in the garage. The gas meter is in there, the garage is connected to
    the house and H&C water pipes link through to the house, so heating
    pipes could also link through, and I see no obvious problems.

    But something is lurking in the back of my mind about building or fire
    regs not allowing flame devices in garages where cars are kept because
    of the potential fire hazard. Is this the case? Are gas boilers
    prohibited in garages? It would be a condensing boiler, so both air
    intake and combustion exhaust would be vented outside.

    --

    Chris

    E-mail: christopher[dot]hogg[at]virgin[dot]net
     
    Chris Hogg, Jan 30, 2010
    #1
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  2. Chris Hogg

    Fredxx Guest

    "Chris Hogg" <> wrote in message
    news:...
    > My mother has a rather ancient gas boiler in her kitchen. I've
    > suggested that if/when she replaces it, she gets the new one installed
    > in the garage. The gas meter is in there, the garage is connected to
    > the house and H&C water pipes link through to the house, so heating
    > pipes could also link through, and I see no obvious problems.
    >
    > But something is lurking in the back of my mind about building or fire
    > regs not allowing flame devices in garages where cars are kept because
    > of the potential fire hazard. Is this the case? Are gas boilers
    > prohibited in garages? It would be a condensing boiler, so both air
    > intake and combustion exhaust would be vented outside.
    >


    Old boilers use to push out a kW or 2 into the room. I have no idea how
    much a new boiler would give out in heat. It's one reason why I never
    fitted radiators in kitchens if they already had a boiler.
     
    Fredxx, Jan 30, 2010
    #2
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  3. Chris Hogg

    Adrian C Guest

    On 30/01/2010 18:13, Chris Hogg wrote:
    > My mother has a rather ancient gas boiler in her kitchen. I've
    > suggested that if/when she replaces it, she gets the new one installed
    > in the garage. The gas meter is in there, the garage is connected to
    > the house and H&C water pipes link through to the house, so heating
    > pipes could also link through, and I see no obvious problems.
    >
    > But something is lurking in the back of my mind about building or fire
    > regs not allowing flame devices in garages where cars are kept because
    > of the potential fire hazard. Is this the case? Are gas boilers
    > prohibited in garages? It would be a condensing boiler, so both air
    > intake and combustion exhaust would be vented outside.
    >

    We did that, and did build a double skinned partition "fire" wall out of
    layers of foil backed plaster board just in case car and boiler decided
    they would like to play together in the worst possible way.

    Although the Gas engineers who did the servicing (finally, when we had a
    TransCo "cease usage lesson" for not servicing it) had no problems with
    it, the last guy wanted ventillation holes cut through the partition
    door, and the garage also ventillated a bit better than the natural gaps
    in the up'n'over door.

    The current floorstanding (scrappage qualified) potterton has a dual
    skinned flue chimney - so quite why the extra ventillation of hole size
    of two house bricks was necessary is a question (unless for removing CO
    from the local environment if a fault arise(?), but anyway gave me an
    good excuse to buy my first SDS drill.

    --
    Adrian C
     
    Adrian C, Jan 30, 2010
    #3
  4. In article <hk1tfq$ueb$-september.org>,
    "Fredxx" <> writes:
    >
    > "Chris Hogg" <> wrote in message
    > news:...
    >> My mother has a rather ancient gas boiler in her kitchen. I've
    >> suggested that if/when she replaces it, she gets the new one installed
    >> in the garage. The gas meter is in there, the garage is connected to
    >> the house and H&C water pipes link through to the house, so heating
    >> pipes could also link through, and I see no obvious problems.
    >>
    >> But something is lurking in the back of my mind about building or fire
    >> regs not allowing flame devices in garages where cars are kept because
    >> of the potential fire hazard. Is this the case? Are gas boilers
    >> prohibited in garages? It would be a condensing boiler, so both air
    >> intake and combustion exhaust would be vented outside.
    >>

    >
    > Old boilers use to push out a kW or 2 into the room. I have no idea how
    > much a new boiler would give out in heat. It's one reason why I never
    > fitted radiators in kitchens if they already had a boiler.


    I doubt my Keston (8 years old) gives off more than 100W from
    the case. I tried to find this figure when I was designing the
    heating system before buying the boiler, but it wasn't specified
    anywhere, probably because that's pretty insignificant.

    --
    Andrew Gabriel
    [email address is not usable -- followup in the newsgroup]
     
    Andrew Gabriel, Jan 30, 2010
    #4
  5. Chris Hogg

    cynic Guest

    On 30 Jan, 18:13, Chris Hogg <> wrote:
    > My mother has a rather ancient gas boiler in her kitchen. I've
    > suggested that if/when she replaces it, she gets the new one installed
    > in the garage. The gas meter is in there, the garage is connected to
    > the house and H&C water pipes link through to the house, so heating
    > pipes could also link through, and I see no obvious problems.
    >
    > But something is lurking in the back of my mind about building or fire
    > regs not allowing flame devices in garages where cars are kept because
    > of the potential fire hazard. Is this the case? Are gas boilers
    > prohibited in garages? It would be a condensing boiler, so both air
    > intake and combustion exhaust would be vented outside.
    >
    > --
    >
    > Chris
    >
    > E-mail: christopher[dot]hogg[at]virgin[dot]net


    IIRC the boiler must be room sealed (balanced or fan flue) so there
    can be no intermixing of air in the garage with the inside of the
    boiler. This is to prevent possible petrol/air mixtures formed by a
    fuel leak being ignited by the boiler flame. Regs could have been
    updated but I haven't heard if so.
     
    cynic, Jan 30, 2010
    #5
  6. Chris Hogg <> wrote in
    news::

    > My mother has a rather ancient gas boiler in her kitchen. I've
    > suggested that if/when she replaces it, she gets the new one installed
    > in the garage. The gas meter is in there, the garage is connected to
    > the house and H&C water pipes link through to the house, so heating
    > pipes could also link through, and I see no obvious problems.
    >
    > But something is lurking in the back of my mind about building or fire
    > regs not allowing flame devices in garages where cars are kept because
    > of the potential fire hazard. Is this the case? Are gas boilers
    > prohibited in garages? It would be a condensing boiler, so both air
    > intake and combustion exhaust would be vented outside.
    >


    OK to put put the new boiler in the garage. No restrictions on modern
    room sealed boiler.

    Just be sure to have frost thermostat fitted if not incorporated with
    boiler.

    --- news://freenews.netfront.net/ - complaints: ---
     
    Heliotrope Smith, Jan 30, 2010
    #6
  7. Chris Hogg

    ransley Guest

    On Jan 30, 12:13 pm, Chris Hogg <> wrote:
    > My mother has a rather ancient gas boiler in her kitchen. I've
    > suggested that if/when she replaces it, she gets the new one installed
    > in the garage. The gas meter is in there, the garage is connected to
    > the house and H&C water pipes link through to the house, so heating
    > pipes could also link through, and I see no obvious problems.
    >
    > But something is lurking in the back of my mind about building or fire
    > regs not allowing flame devices in garages where cars are kept because
    > of the potential fire hazard. Is this the case? Are gas boilers
    > prohibited in garages? It would be a condensing boiler, so both air
    > intake and combustion exhaust would be vented outside.
    >
    > --
    >
    > Chris
    >
    > E-mail: christopher[dot]hogg[at]virgin[dot]net


    Thats a great way to lower efficency, take a boiler designed to run
    indoors and take it out in the cold. It will take alot longer, cost
    alot more, to reheat cold water, boilers and piping give off heat, you
    will loose that benefit and just pray your freeze stat doesnt fail as
    you will need a new boiler if it does. The piping out of the boiler is
    the largest and hottest so loss will be greatest. New units can be
    very small and redoing piping isnt cheap, keep it in. Here in the US
    boilers are inside and the pump runs when its on, my boiler takes
    maybe 30-40 minutes to heat 70f water to 140f, if you run the pump
    when its on and the boiler has 40f water in it wont it circulate cold
    water and actualy COOL the house for the first 10-15 minutes? I bet
    you could pay 30-40% more moving it outside to heat your moms house,
    she wont like a higher bill, she wants it lower.
     
    ransley, Jan 30, 2010
    #7
  8. Chris Hogg

    YAPH Guest

    On Sat, 30 Jan 2010 19:48:04 +0000, Heliotrope Smith wrote:

    > Just be sure to have frost thermostat fitted if not incorporated with
    > boiler.


    Or to protect the pipework in the garage - the boiler's frost protection
    is only to protect the boiler itself.



    --
    John Stumbles -- http://yaph.co.uk

    Men are from Mars, Women are from Venus and Pop Psychologists are from Uranus
     
    YAPH, Jan 31, 2010
    #8
  9. Chris Hogg

    Steve Walker Guest

    Fredxx wrote:
    > "Chris Hogg" <> wrote in message
    > news:...
    >> My mother has a rather ancient gas boiler in her kitchen. I've
    >> suggested that if/when she replaces it, she gets the new one installed
    >> in the garage. The gas meter is in there, the garage is connected to
    >> the house and H&C water pipes link through to the house, so heating
    >> pipes could also link through, and I see no obvious problems.
    >>
    >> But something is lurking in the back of my mind about building or fire
    >> regs not allowing flame devices in garages where cars are kept because
    >> of the potential fire hazard. Is this the case? Are gas boilers
    >> prohibited in garages? It would be a condensing boiler, so both air
    >> intake and combustion exhaust would be vented outside.


    We had that arrangement installed in a newbuild extension about 3yrs ago,
    with full oversight from Planning & B Control etc. So, I assume it's OK.
     
    Steve Walker, Jan 31, 2010
    #9
  10. Chris Hogg

    Chris Hogg Guest

    On Sat, 30 Jan 2010 18:13:58 +0000, Chris Hogg <> wrote:

    Thanks for the replies. It would be a room-sealed boiler, so I gather
    there should be no problems.

    --

    Chris

    E-mail: christopher[dot]hogg[at]virgin[dot]net
     
    Chris Hogg, Jan 31, 2010
    #10
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