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Post by rocketmanbkk on Sept 10, 2018 18:16:49 GMT
I’m looking at refurbishing a bungalow
It has a back boiler & vented system
I want to rip the back boiler out along with the copper tank & put a combi where the tank is.
The gas meter outside is very close as previously mentioned in another post so the gas run should be ok.
Can I remove the back boiler & cap the pipes (Gas, primary flow & return) where they are (in the chimney).
The airing cupboard where I want the new combi has mains cold, ch flow & return & hot water to outlets so I’ll just need to connect these up to boiler & put in gas.
As I thinking it through correctly?
I assume but don’t know that the pipes to the back boiler to the airing cupboard go through the loft so it wouldn’t be the end of the world to cut them back up there.
What do you think?
Cheers all
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Post by crowsfoot on Sept 10, 2018 19:26:06 GMT
No reason to cap the primary flow and return rocky, just cut the pipes off (in the old pre unvented days it would be considered a sin to cap them, dangerous) or remove them completely (scrap  ). The gas will need capping though, or even better trace it back to the tee and cut it completely out. Airing cupboard is a favourite location for a new combi boiler, all the pipes you need will be in there, that's a winner High level gravity primaries (in the roof space) are very rare - but I have come across them. Tappy, |
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Post by rocketmanbkk on Sept 10, 2018 19:34:23 GMT
No reason to cap the primary flow and return rocky, just cut the pipes off (in the old pre unvented days it would be considered a sin to cap them, dangerous). The gas will need capping though, or even better trace it back to the tee and cut it completely out. Airing cupboard is a favourite location for a new combi boiler, all the pipes you need will be in there, that's a winner High level gravity primaries (in the roof space) are very rare - but I have come across them. Tappy, Thx Tappy. So the flow & return in the airing cupboard I’ll connect to the boiler along with cold main & hot to outlets. The gas I can deal with. When you say cut the pipes off ( flow & return by back boiler) what do you mean? They’ll go from back boiler to airing cupboard so where should I cut them? I’m confusing my now!! The flow & return will feed the rads so I can’t have them open ended! I’ll obviously cut out & deal with the hot tank & vent, f&e tank etc. in loft. Cheers again |
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Post by crowsfoot on Sept 10, 2018 19:54:08 GMT
The flow and return gravity primaries I'm on about rocky.
I'm thinking it's a solid fuel system (which may be wrong thinking on my part).
If it's a gas back boiler and fully pumped then you'll have to take all the old pump, tees and MVs out and join the pipes together to make a heating flow and return for the new combi.
It would be unprofessional/poor job to cap them off at the back boiler.
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Post by rocketmanbkk on Sept 11, 2018 7:08:36 GMT
The flow and return gravity primaries I'm on about rocky. I'm thinking it's a solid fuel system (which may be wrong thinking on my part). If it's a gas back boiler and fully pumped then you'll have to take all the old pump, tees and MVs out and join the pipes together to make a heating flow and return for the new combi. It would be unprofessional/poor job to cap them off at the back boiler. Ok thx It’s a gas boiler. I’m sure they go up in the loft & over to the airing cupboards location I’ll have a look this weekend Cheers |
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