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- 14 Mar 2005
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I have a fairly typical vented central heating system with F&E tank in loft, and indirect HW cylinder which has a 42 gallon cold water tank in the loft.
The hot water cylinder, CH pump and 3 way valve are in the airing cupboard on the landing.
The boiler is in the garage (which in partially integral to the house) and the 2 primaries go up into the house and along under the upstairs floor into the airing cupboard. I have 8 rads and power shower – which is fed from the surrey flange on the HW cylinder up into the loft and down into the bathroom.
I am in the process of making the loft space useable. The only option for stairs up into the loft is through the airing cupboard (alarm bells). This means I have to move both the hot water cylinder, pump, valve, and associated pipework BACK into some of the wardrobe space of the bedroom behind the airing cupboard. The stairs would then go OVER the cylinder etc. The space is there to do that and it is the only option.
I will also have to move both tanks in loft to somewhere under the eaves laterally about 1.5 metres.
So, I can do all this moving around of my current system (or pay someone to do it). Or I can get an unvented HW cylinder put in the garage – cos its too big for the airing cupboard, and at the same time convert the CH to sealed by use of expansion vessel etc. Then I would be free of both loft tanks AND the cylinder and pump etc in the wardrobe space.
I don’t know what to do. My first estimate from SGS in Salisbury was £3429 to convert to sealed. Seems a lot of money considering its 2.5 days work, and surely no more than £1000 for parts.
Any ideas anyone? The garage gets freezing in the winter, I assume that would affect the efficiency of the new cylinder?
The hot water cylinder, CH pump and 3 way valve are in the airing cupboard on the landing.
The boiler is in the garage (which in partially integral to the house) and the 2 primaries go up into the house and along under the upstairs floor into the airing cupboard. I have 8 rads and power shower – which is fed from the surrey flange on the HW cylinder up into the loft and down into the bathroom.
I am in the process of making the loft space useable. The only option for stairs up into the loft is through the airing cupboard (alarm bells). This means I have to move both the hot water cylinder, pump, valve, and associated pipework BACK into some of the wardrobe space of the bedroom behind the airing cupboard. The stairs would then go OVER the cylinder etc. The space is there to do that and it is the only option.
I will also have to move both tanks in loft to somewhere under the eaves laterally about 1.5 metres.
So, I can do all this moving around of my current system (or pay someone to do it). Or I can get an unvented HW cylinder put in the garage – cos its too big for the airing cupboard, and at the same time convert the CH to sealed by use of expansion vessel etc. Then I would be free of both loft tanks AND the cylinder and pump etc in the wardrobe space.
I don’t know what to do. My first estimate from SGS in Salisbury was £3429 to convert to sealed. Seems a lot of money considering its 2.5 days work, and surely no more than £1000 for parts.
Any ideas anyone? The garage gets freezing in the winter, I assume that would affect the efficiency of the new cylinder?