installing a back boiler oil link up in a bungalow, anyway around it?

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installing a back boiler oil link up in a bungalow, anyway around it?

Discuss installing a back boiler oil link up in a bungalow, anyway around it? in the Plumbing Jobs | The Job-board area at PlumbersForums.net

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Mr Flux

Hay guys i have never attempted a back boiler oil link up before, i have a customer who has purchased a back boiler wood burning stove and is looking to link it up 2 the oil heating to heat the water and rads! Only problems is that its a bungalow and the hwc is on the same floor as the stove so have no way of installing a gravity circuit to the stove! i was thinking of just fully pumping the system and linking the flow and return from the stove into the boiler flow and returns just where they enter the building (obviously installing all the necessary non return valves! Obviously doing it this way is abit dodgy incase of power faiure and the pump fail to operate, causeing the system to pump over into the f &e but i cant see this being a major problem??? any advice guys, has any1 installed a back boiler which is fully pumped????
 
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Nordio said:
Through the vent.
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Ok if water is boiled off out of vent how does this get replaced? You need to have a read of the requirements for solid fuel boilers in the UK. This is a UK based forum and we have to conform to the requirements, if you are outside the uk that is up to you, carry on, but don't encurage other to follow
 
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ecowarm said:
Ok if water is boiled off out of vent how does this get replaced? You need to have a read of the requirements for solid fuel boilers in the UK. This is a UK based forum and we have to conform to the requirements, if you are outside the uk that is up to you, carry on, but don't encurage other to follow
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Someone said its dangerous. Its not. I'm well aware of the regs.
 
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And who MI's do you comly with? all manufacturers base their instuctions on the the regs unless of coures you fit some dodgy chinese carp
 
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tamz said:
I apologise for misreading your post. I saw only "no cold feed/expansion" and thought you meant sealed.

You are still encouraging practices of which not many people are aware of the consequences if not done correctly.
Why?
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What solid fuel stove manufactorer would allow a vent only no cold feed???????
 
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I would encourage Mr Flux to adhere to the MI's. But they seem to be scant on information regarding the piping layout.
I'd also recommend a clear and unobstructed path to the boiler.
 
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Nordio said:
I would encourage Mr Flux to adhere to the MI's. But they seem to be scant on information regarding the piping layout.
I'd also recommend a clear and unobstructed path to the boiler.
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That is because they expect it to be fitted by someone with some idea of the regs
 
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tamz said:
None that i have heard of
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Sorry Tam I was refering to this
"Connect a solid fuel boiler up with a vent and no cold feed/expansion the water will simply boil off. I know that because I've done it.
After that its stress relief time for the welds.
Did you read what peteheat wrote on the bs6700 thread? That guy knows his stuff."
 
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Aye i read the other thread. I thought it peculiar he (Nordio) would refer to that post when it was clear to a wean with a biscuit bum what peteheat was on about :frown:
 
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tamz said:
Aye i read the other thread. I thought it peculiar he (Nordio) would refer to that post when it was clear to a wean with a biscuit bum what peteheat was on about :frown:
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Care to explain what he was on about then?

He wrote this...

On solid fuel stoves and wrap around back boilers we always fitted the pump on the return
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Just like Mr Flux.

And then wrote
No blockage the system can still feed through the pump
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Is it because he's from Ireland its ok. lol. Mr Flux is from Ireland too.
 
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Ah! the central heating return to the boiler. The primary gravity is not pumped which would have Feed and expansion.

Who was it who said a little knowledge is a dangerous thing
 
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Nordio said:
Care to explain what he was on about then?



Just like Mr Flux.
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You missed out this bit in your quote

peteheat said:
in our old tin pot way we relied on gravity to heat the rads and cylinder upstairs and the pump was mainly for the ground floor circuit and to pump the heat around the system faster.

That said I doubt a pump is classed as a valve as the hot water can expand to safety through it.
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He was not advocating what you are saying.
 
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Why did you write in bs6700 questions "Blocking the feed route? That doesn't seem like convention with a solid fuel boiler." when you have been saying there is no need for a feed in this thread?
 
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Nordio can you remember a couple of years back on another site where you were saying it was fine to cap a solid fuel bbu. I answered with reference to this or a similar site ( i will find the original if you like)
HSE Safety Alert: Explosion risk from redundant domestic back boilers
Your answer was it was fine to do this as you had did it on your own house and lived alone so would only kill yourself.
Obviously your vision has not become any clearer. Keep swinging your stillsons in someone else's direction.
 
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tamz said:
Nordio can you remember a couple of years back on another site where you were saying it was fine to cap a solid fuel bbu. I answered with reference to this or a similar site ( i will find the original if you like)
HSE Safety Alert: Explosion risk from redundant domestic back boilers
Your answer was it was fine to do this as you had did it on your own house and lived alone so would only kill yourself.
Obviously your vision has not become any clearer. Keep swinging your stillsons in someone else's direction.
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I also read somewhere tamz that this is the same on gas bbu's, do you know if there is a tech bulletin or safety notice like the one you have posted here too?
 
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I have just been reading a thread on an other forum with a Tamz and Nordio discussing this very thing, Oh and everyboby thought Nordio was wrong on there as well
 
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Gas bbu's are different. No one is going to light them if you cut the gas and power.

There was a TB about bbu's (gas) but it didn't mention drilling the exchanger. A bit like belt, braces, condom and get your mate to tell you what it was like :lol:
 
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I have just been reading a thread on an other forum with a Tamz and Nordio discussing this very thing, Oh and everyboby thought Nordio was wrong on there as well
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What have I been wrong about on here pray tell?
 
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