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D

DogBash

Hi everyone,

First of all ill explain the situation.

I have just got the keys to my first house and we have a fair bit of work to do on it before we can move in. It is a 3 bedroom detached house. We are renovating the bathroom fitting all new shower, bath etc. There was a rather large cupboard next to the bathroom where the hot water tank was mounted so we have knocked the wall through to give us a bigger bathroom.

We have a boiler cupboard downstairs which is accessed by the outside of the house (small cupboard door leading to a little room where the boiler is mounted). This boiler room is big enough to put the tank in so we have been considering moving the tank to here. The boiler is oil fired and we live in an area where this is the only option as there is no gas.

The bathroom I am having installed has a fairly large bath (approx 300L) and also will be having a drench shower with a large head.

Ok, so now the questions 🙂

1) If I kept what we have already and just moved the tank to the downstairs cupboard, would we get the pressure to push the water back up to the upstairs bathroom? (The cold water tank is in the loft). This means the water would be pushed down from the loft into the downstairs boiler cupboard and then back upstairs to the bathroom.

2) What would I be best to do? I don't mind spending a bit of money on having a new system if need be. I saw a plumber last night and he suggested a combi boiler but he wasnt sure if id get the pressure needed for the drench shower. He suggested alternatively that I could have a pressurised system (MegaFlow) but I am concered about this option also as I was told with a drench shower you need a 3 bar pump and with a pressurised system they seem to all be 1.5bar.

Any ideas?

Thanks,
Andrew
 
I have fitted a drench shower to a combi in the past and worked fine, it had a lot of mains pressure and 37kw boiler. I don't see how the unvented wouldn't work and is my prefered heating and hot water system. Moving your tank will be sufficient in filling your bath etc but not 100 percent sure about drench shower, you could move your tank then fit a pump, this way may be your cheapest option
 
You might be confusing the 1.5bar system pressure of the heating system with the incoming mains pressure and flow rate. I would go for a pressurised cylinder over a combi anyday.....if the incoming mains is up to it!
 

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