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Unvented Cylinder

Joined
30 Nov 2013
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Location
Northamptonshire
Country
United Kingdom
I am new to the forum so I hope this is posted in the right place.

I viewed a house today that I am looking to buy and when looking in the airing cupboard I saw the hot water cylinder appeared to have the top cut off?
I have taken a picture which is hopefully attached but they are not the best (and for some reason have rotated horizontal).

In the picture the grey metal (behind the white header tank) is attached to the hot water cylinder. Under the towels is yellow insulating type foam (you can see a small part of this) and it's not a curved steel top like on my cylinder at home. The top / edge of the cylinder isn't straight or smooth and has clearly been cut. The heating was on and working and the house is lived in and the water works too.

It is described as a 'pressurised system' in the agents details. It looks like an unvented system to me but I am no expert. There is the white header tank fitted to the top of the cylinder as shown. This is screwed straight into cylinder and not connected with any silver bradded hose. There is a red tank out of shot plumbed into copper pipes as well.

Apologies for the poor pictures I should have taken some better ones but have queried with the agent as vendor was not present. I'm asking for more details and who fitted as it doesn't look right or safe to me. I am told it's been fitted by a competent person, safe and serviced. I'm asking to see paperwork. The second picture is of the cylinder and pipes connected to it.

Boiler is a Worcester bosh condensing (sorry don't know model) unsure when installed. Agent couldn't say how long and when asked said 'recent'. They are coming back to me on this as well.

Am I correct to be worried about what I have seen or is this 'normal'. I wanted to check here and not just trust them.

View media item 69797 View media item 69798
 
Not exactly David Bailey....


But Telford made cylinders with the expansion vessels hidden inside the shell. Someone might have cut it open to repair/replace the vessel.

Rough.

But from those pictures.... :roll:
 
It would be nice to see what is beneath the towels, but the unit above the cylinder is an expansion vessel, not a storage cistern.
It is a pressurised system and unvented.
 
Underneath the towels was a yellow insulation type material similar to loft insulation.

The metal left around the top behind the white expansion vessel is very thin. It did look like it once went all the way round the top of the cylinder.

The expansion vessel screwed straight into a thread on top of the cylinder.
 

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