Indirect hot water tank


Postby GARYF » Fri May 04, 2007 12:08 am

Hi,

I am replacing my leaking copper cylinder (400mm x 900mm). I have low water pressure. If i replace it with a 450mm x 900mm, will there be a noticeable improvement. How large can i go without changing other items to compensate for the increase in stored water?

Thanks,

Gary.
GARYF
Rank: Apprentice
Progress to next rank:
47.4%
Posts: 14
Joined: Thu May 03, 2007 11:58 pm

Sponsor

Simply Build It

Postby thedoctor2 » Fri May 04, 2007 6:53 am

hi there are limits but think u will be well with in them there
thedoctor2
Rank: Ganger
Progress to next rank:
1.3%
Posts: 52
Joined: Wed May 02, 2007 6:37 am

Postby thedoctor2 » Fri May 04, 2007 6:58 am

hi sorry misread your post there increasing your header tank will help with pressure, but not your hot water storage tank , howerver in saying that if it is all furred up things may well improve
thedoctor2
Rank: Ganger
Progress to next rank:
1.3%
Posts: 52
Joined: Wed May 02, 2007 6:37 am

Postby dave p » Sat May 05, 2007 10:41 pm

[it probably wont help you at all (other than stopping the leak) is it both hot and cold supplies which are low pressure?? is your basin ok but not your shower? need a few more details
dave p
Rank: Apprentice
Progress to next rank:
94.7%
Posts: 23
Joined: Sat May 05, 2007 9:58 pm

Postby DONFRAMAC » Thu May 10, 2007 1:59 am

You need to raise the height of the header-tank in the loft-- the large one that feeds the cylinder with the water which is to be heated, and use at least 22 mm copper pipe between this tank and the new indirect cylinder. When I tackled this raising of the main header, I renewed it, with a modern plastic, flexible one, complete with thermal insulation pack.
By placing it as high as possible in the loft I have enough static head to use a blender shower, without a pump-assist. (I had used a twin-impeller pump for a year, but it siezed after a year as it was not continuously rated;-- 3 showers back-to-back was too much for it).
Using at least 22 mm copper for the hot-water output, will be a minimum, with reduction to 15 mm being very local to where it is req.
DONFRAMAC
Rank: Ganger
Progress to next rank:
96.7%
Posts: 195
Joined: Fri Mar 30, 2007 5:52 pm

Display posts from previous
Sort by
Order by



  • DIY How to Project Guides

  • DIY how to tutorial projects and guides - Did you know we have a DIY Projects section? Well, if no, then we certainly do! Within this area of our site have literally hundreds of how-to guides and tutorials that cover a huge range of home improvement tasks. Each page also comes with pictures and a video to make completing those jobs even easier!



 


  • Related Topics