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By (user no longer on site) OP
over a year ago
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I'm wondering if I can add a couple of 90° bends to the boiler flue in order to slightly redirect it? The boiler is in a large cupboard on the 1st floor and the flue goes up into the attic, wiggles around a bit, then terminates out through the roof. I want to put a loft hatch in the cupboard but the flue needs to be adjusted ever so slightly first. Obviously it'll begin and end in the same locations, I just want to re-wiggle the wiggles.
Cheers
Nell |
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By (user no longer on site) OP
over a year ago
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"Far from being an expert, I know with wood burner flues you can have two 45° bends at most...
I would think gas boilers would be the same...
I am sure your gas company could tell you..."
Thanks, I suspected the 90° was a no-no. I've not phoned the boiler people yet as I wanted some impartial advice first. |
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By (user no longer on site)
over a year ago
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"Far from being an expert, I know with wood burner flues you can have two 45° bends at most...
I would think gas boilers would be the same...
I am sure your gas company could tell you...
Thanks, I suspected the 90° was a no-no. I've not phoned the boiler people yet as I wanted some impartial advice first. "
It all depends on the make and type of boiler. Each boiler manufacturer will recommend a maximum length of flue and each bend will reduce the maximum length by around 1 mtr
It would be best to consult the manufacturers guidelines and speak to a gas safe engineer. Our boiler has 2 45 degree bends and a run of 4mtrs and is still within the recommended length. |
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By (user no longer on site) OP
over a year ago
|
"Far from being an expert, I know with wood burner flues you can have two 45° bends at most...
I would think gas boilers would be the same...
I am sure your gas company could tell you...
Thanks, I suspected the 90° was a no-no. I've not phoned the boiler people yet as I wanted some impartial advice first.
It all depends on the make and type of boiler. Each boiler manufacturer will recommend a maximum length of flue and each bend will reduce the maximum length by around 1 mtr
It would be best to consult the manufacturers guidelines and speak to a gas safe engineer. Our boiler has 2 45 degree bends and a run of 4mtrs and is still within the recommended length."
Great, I'll look it up. Thanks for that  |
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By (user no longer on site) OP
over a year ago
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"Just asked my brother in-law who is a gas safety engineer without seeing what boiler is an what flow is going to,dont touch it yourself if anything goes wrong you would have a leg to stand on. "
Oh, not a DIY job then. Thanks for the warning. |
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You can get a Flexi-bend flue liner that would probably suffice, but as has been said, best to let a Gas Safe engineer install and give you a certificate of worthiness. I have installed a few of these in the past and they are perfect for the purpose that you describe. |
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