FabSwingers.com forum: Any Gas Engineers/Boiler people about?

By (user no longer on site) OP
over a year ago

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 *riskynriskyCouple
over a year ago

Essex.

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...

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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.

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By (user no longer on site)
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.

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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 *atelotmanMan
over a year ago

Chatham

[Removed by poster at 22/02/17 16:22:08]

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By (user no longer on site) OP
over a year ago

"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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By *atelotmanMan
over a year ago

Chatham

Brother in-law is a gas safety engineer an his advice is don't touch or tackle it yourself.it may cost but better safe then sorry

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By *ce WingerMan
over a year ago

P.O. Box DE1 0NQ

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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By *irtyricoMan
over a year ago

west bromwich

If anyone else needs a combi boiler fitting, contact me as I am a Gas safe registered engineer and I fit boilers and my prices are good!

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By *urvelover39Man
over a year ago

Somewhere

"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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