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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Removing a back boiler - what to do with the flue?
Hi. I'm removing an old Baxi back-boiler at the back of the living room
fireplace. It's a old propane powered one; I've just had a new mains gas boiler installed in the kitchen. I've disconnected all power and pipes to the old boiler of course. There is a flue liner (corrugated metal tube) running up through the chimney. The top of the chimney has a metal cap with side vents and presumably the liner is attached to the inside. My problem is what to do with the liner. When I remove the old boiler, the bottom of the liner (which is fastened to a metal plate) will just be hanging there. Do I need to support it while removing the boiler? Do I nee to support it afterwards or can it safely be left hanging ? FWIW I plan to board up the front of the fireplace and include some ventilation. Thanks |
#2
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Removing a back boiler - what to do with the flue?
Steve
wibbled on Sunday 07 February 2010 15:03 Hi. I'm removing an old Baxi back-boiler at the back of the living room fireplace. It's a old propane powered one; I've just had a new mains gas boiler installed in the kitchen. I've disconnected all power and pipes to the old boiler of course. There is a flue liner (corrugated metal tube) running up through the chimney. The top of the chimney has a metal cap with side vents and presumably the liner is attached to the inside. My problem is what to do with the liner. When I remove the old boiler, the bottom of the liner (which is fastened to a metal plate) will just be hanging there. Do I need to support it while removing the boiler? Do I nee to support it afterwards or can it safely be left hanging ? Leave it for the moment - it won't fall out, but see below: I also removed an old Baxi back boiler - watch your back, the heat exchanger is a solid *******. FWIW I plan to board up the front of the fireplace and include some ventilation. Thanks Liner - it won't do any harm to leave it in place and it is adequately supported from the top, but you may find the wind plays tunes on it (ours did, until the liner was replaced with a stove grade one). In which case you'll probably want to take it out as it can get very annoying, even though that will mean a trip o the roof... Wait for a windy day to see if it's a problem or not... -- Tim Watts Managers, politicians and environmentalists: Nature's carbon buffer. |
#3
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Removing a back boiler - what to do with the flue?
On Feb 7, 3:14 pm, Tim Watts wrote:
Steve wibbled on Sunday 07 February 2010 15:03 Hi. I'm removing an old Baxi back-boiler at the back of the living room fireplace. It's a old propane powered one; I've just had a new mains gas boiler installed in the kitchen. I've disconnected all power and pipes to the old boiler of course. There is a flue liner (corrugated metal tube) running up through the chimney. The top of the chimney has a metal cap with side vents and presumably the liner is attached to the inside. My problem is what to do with the liner. When I remove the old boiler, the bottom of the liner (which is fastened to a metal plate) will just be hanging there. Do I need to support it while removing the boiler? Do I nee to support it afterwards or can it safely be left hanging ? Leave it for the moment - it won't fall out, but see below: I also removed an old Baxi back boiler - watch your back, the heat exchanger is a solid *******. FWIW I plan to board up the front of the fireplace and include some ventilation. Thanks Liner - it won't do any harm to leave it in place and it is adequately supported from the top, but you may find the wind plays tunes on it (ours did, until the liner was replaced with a stove grade one). In which case you'll probably want to take it out as it can get very annoying, even though that will mean a trip o the roof... Wait for a windy day to see if it's a problem or not... would bunging the bottom end be a stopgap against the whistling? JimK |
#4
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Removing a back boiler - what to do with the flue?
"Tim Watts" wrote in message ... Steve wibbled on Sunday 07 February 2010 15:03 Hi. I'm removing an old Baxi back-boiler at the back of the living room fireplace. It's a old propane powered one; I've just had a new mains gas boiler installed in the kitchen. I've disconnected all power and pipes to the old boiler of course. There is a flue liner (corrugated metal tube) running up through the chimney. The top of the chimney has a metal cap with side vents and presumably the liner is attached to the inside. My problem is what to do with the liner. When I remove the old boiler, the bottom of the liner (which is fastened to a metal plate) will just be hanging there. Do I need to support it while removing the boiler? Do I nee to support it afterwards or can it safely be left hanging ? Leave it for the moment - it won't fall out, but see below: I also removed an old Baxi back boiler - watch your back, the heat exchanger is a solid *******. FWIW I plan to board up the front of the fireplace and include some ventilation. Thanks Liner - it won't do any harm to leave it in place and it is adequately supported from the top, but you may find the wind plays tunes on it (ours did, until the liner was replaced with a stove grade one). In which case you'll probably want to take it out as it can get very annoying, even though that will mean a trip o the roof... Wait for a windy day to see if it's a problem or not... -- Tim Watts I left my old flue in place. It acts as a megga phone for pigeons on the chimney. It will have to go this summer. Adam |
#5
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Removing a back boiler - what to do with the flue?
JimK
wibbled on Sunday 07 February 2010 15:17 would bunging the bottom end be a stopgap against the whistling? JimK It might mess up the ventilation. -- Tim Watts Managers, politicians and environmentalists: Nature's carbon buffer. |
#6
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Removing a back boiler - what to do with the flue?
JimK used his keyboard to write :
On Feb 7, 3:14 pm, Tim Watts wrote: Steve wibbled on Sunday 07 February 2010 15:03 Hi. I'm removing an old Baxi back-boiler at the back of the living room fireplace. It's a old propane powered one; I've just had a new mains gas boiler installed in the kitchen. I've disconnected all power and pipes to the old boiler of course. There is a flue liner (corrugated metal tube) running up through the chimney. The top of the chimney has a metal cap with side vents and presumably the liner is attached to the inside. My problem is what to do with the liner. When I remove the old boiler, the bottom of the liner (which is fastened to a metal plate) will just be hanging there. Do I need to support it while removing the boiler? Do I nee to support it afterwards or can it safely be left hanging ? Leave it for the moment - it won't fall out, but see below: I also removed an old Baxi back boiler - watch your back, the heat exchanger is a solid *******. FWIW I plan to board up the front of the fireplace and include some ventilation. Thanks Liner - it won't do any harm to leave it in place and it is adequately supported from the top, but you may find the wind plays tunes on it (ours did, until the liner was replaced with a stove grade one). In which case you'll probably want to take it out as it can get very annoying, even though that will mean a trip o the roof... Wait for a windy day to see if it's a problem or not... would bunging the bottom end be a stopgap against the whistling? JimK Probably not - take a piece of tube and blow across the top. It makes no difference whether the bottom end is blocked or not. -- Regards, Harry (M1BYT) (L) http://www.ukradioamateur.co.uk |
#7
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Removing a back boiler - what to do with the flue?
On 7 Feb, 15:03, "Steve" wrote:
Should be some insulation between the liner and the brick flue, it may be loose and come down. Flog the back boiler on E-Bay, lots of people are after them now as additional heating. |
#8
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Removing a back boiler - what to do with the flue?
"Steve" wrote in message
... Hi. I'm removing an old Baxi back-boiler at the back of the living room snipped Thanks for replies chaps. Very helpful. |
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