DIY Doctor

Main navigation

overflow pipes - leaks

Postby bubukit » Fri Apr 27, 2007 9:20 am

I don't know anything about plumbing and I have some probably very stupid questions.
I live in a flat and just want to know how do overflow pipes work and normally where do they connect to inside my flat. If I suspect there is a leak in the overflow pipe but not sure where the leak is, what shall I do?
Thank you very much for any help at all.
Rank: Labourer
Progress to next rank:
Posts: 1
Joined: Fri Apr 27, 2007 9:14 am


Simply Build It

Postby thedoctor » Fri Apr 27, 2007 11:01 am

See the projects on hot and cold water systems and on cisterns tanks and valves. These should give you some idea of how your water system works. Overflows will (or should) come from toilet cisterns and cold water tanks.
Posts: 2524
Joined: Sat Apr 08, 2006 12:15 pm

Postby jane hammond » Thu Jun 21, 2007 5:02 pm

Hello, i would like some advice please.
I have a warm air boiler with two indirect system water storage tanks in the loft. The Smaller header expansion tanker keeps over flowing eventhough ive changed float valves and set them to correct water level. Usually overflow within two days.
Ive traced the problem to the vent pipe in the expansion tank but what is causing the problem and how do i cure it... Thanks :D
jane hammond
Rank: Labourer
Progress to next rank:
Posts: 1
Joined: Wed Jun 20, 2007 4:47 pm

Postby htg engineer » Thu Jun 21, 2007 6:39 pm

The overflow pipe will either be from a toilet cistern, a water tank or a pressure relief valve from a combi boiler. If your unsure of where the overflow pipe comes from the best thing to do is to check the water levels of the toilet cistern and tanks.

Take off the lid and the water should be approximately 2" below the overflow (the overflow is normally a plastic pipe coming from the top of the cistern or tank)
htg engineer
Rank: Project Manager
Posts: 3256
Joined: Tue May 22, 2007 5:22 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