hot water keeps stoping and returning


Postby lyndon12 » Mon Jun 02, 2008 3:22 pm

having replaced a ball cock in header tank on my old gravity fed system with imersion tank my hot water flow is slower and sometimes stops, seems to be a delay in the header to imersion tank, all i did was isolate and drain header and imersion as i also replaced a hot water tap, then turned water suply back on, header filled back up and everything seemed ok, but hot flow is slow and perodicaly stops and then returns, have i an air lock??, if so what can i do?, would appreciate any help, not a plumber as you have guessed!!!, cheers
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Postby rosebery » Mon Jun 02, 2008 8:26 pm

Sounds like it.

See http://www.diydoctor.org.uk/projects/curingairlock.htm in the projects section.

Cheers
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Postby Dave From Leeds » Tue Jun 03, 2008 12:22 am

Try opening one of your hot taps and leave it open for about 5 minutes. If the problem is an airlock in the cylinder this may allow the head of water in your header tank to push it through.
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