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Posted on Oct 20, 2009
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My worcester Combi boiler loses pressure over 24 hours - engineer reckons boiler is OK - I put pressure in every day - but do not have to bleed the radiators ? - any suggestions - Cheers CAM

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  • Posted on Oct 21, 2009
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Check the tops of all your radiator valves for bypass if found, easy to repair best of luck

  • 11 more comments 
  • Anonymous Oct 21, 2009

    check the tops of all your radiator valves for bypass if found, easy to repair best of luck

  • Anonymous Oct 21, 2009

    check the tops of all your radiator valves for bypass if found, easy to repair best of luck

  • Anonymous Oct 21, 2009

    check the tops of all your radiator valves for bypass if found, easy to repair best of luck

  • Anonymous Oct 21, 2009

    check the tops of all your radiator valves for bypass if found, easy to repair best of luck

  • Anonymous Oct 21, 2009

    check the tops of all your radiator valves for bypass if found, easy to repair best of luck

  • Anonymous Oct 21, 2009

    check the tops of all your radiator valves for bypass if found, easy to repair best of luck

  • Anonymous Oct 21, 2009

    check the tops of all your radiator valves for bypass if found, easy to repair best of luck

  • Anonymous Oct 21, 2009

    check the tops of all your radiator valves for bypass if found, easy to repair best of luck

  • Anonymous Oct 21, 2009

    check the tops of all your radiator valves for bypass if found, easy to repair best of luck

  • Anonymous Oct 21, 2009

    check the tops of all your radiator valves for bypass if found, easy to repair best of luck

  • Anonymous Oct 21, 2009

    check the tops of all your radiator valves for bypass if found, easy to repair best of luck

  • Anonymous Oct 21, 2009

    check the tops of all your radiator valves for bypass if found, easy to repair best of luck

  • Anonymous Oct 21, 2009

    check the tops of all your radiator valves for bypass if found, easy to repair best of luck

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Related Questions:

0helpful
1answer

How do you reset pressure in a Worcester combi boiler
You cannot reset pressure in a combi boiler only increase pressure or release pressure!

what are you trying to achieve?
Read full answer
Jan 02, 2018 • Water Heaters
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My central heating turns off when i turn the hot water tap on. when i turn it off the central heating doesn't come back back on until i turn the power off and on.

Combi-boiler-turn hot water tap on/off and the heating stops for ...

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Combi-boiler-turn hot water tap on/off and the heating stops for 20secs ... hot watertakes priority over central heating so when you run the hot tap, heating is ... Yeah onmy worcester combi there is a diverter valve - it feeds either the heating or ...

My central heating works but I have no hot water - 24'7 ...

https://www.247homerescue.co.uk/my-central-heating-works-but-i-have-...
Diverter valves switch heat between the hot water and the central heating. When youturn your hot tap on, the diverter valve temporarily shuts off the water supply ...

Does your boiler keep switching itself off? Here's why ...

www.dhs-uk.com/does-your-boiler-keep-switching-itself-off-heres-why/
Jul 7, 2015 - ... Bathroom Suites, - Showers, - Wet Rooms, - Taps and Accessories, Information and ... Low water pressure can cause your boiler to turn itself off. ... boiler is not turning off, you aren't getting the amount of hot water you require. ... If there is air in your central heating system, then your boiler may shut down.
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Feb 09, 2016 • Water Water Heaters
0helpful
1answer

Pressure on my boiler gone to 0 how do i get my pressure back up
Turn the burner back on & make sure you have correct water level in the boiler.
Read full answer
Dec 15, 2013 • Water Heaters
0helpful
1answer

Thanks for that mike, it is a worcester bosch combi 24cdi heating and water can stay on for an hour then everything goes off and the red light flashes. it will come straight back on when reset, but then...
Check the pressure reading, should be about 1 bar when system is cold. Various models in the range of 24cdi. If you do not have a manual, go to,
http://www.centralheating.co.uk/Boiler-Manuals/worcester-bosch-boiler-manuals/worcester-bosch-discontinued-boiler-manuals.
Get the manual for your unit, to wards the end of install manual it has a fault finder, Also has a basic 1 in the user manual. Number of flashes how fast the light flashes which one flashing can all mean different, So get the manual and check, Some parts are easy to fix, as long as you do not touch the gas side the rest is plumbing. Come back if needed.
Read full answer
Mar 05, 2013 • Water Heaters
4helpful
2answers

My worcester bosch 24i junior pressure keeps dropping if i have heating off for an hour i have to top up boiler and reset also when i have heating on the pressure jumps right up to over 4.0bar
When water is heated it expands. To deal with this all boilers are fitted with a small expansion vessel which is like a reservoir which holds the excess water.

This expansion vessel is like a balloon in a metal pot. When the water goes in the metal pot the baloon squashes a bit to make room for the extra volume of water. When it cools the balloon pushes the water back into the heating system.

What has happened is your expansion vessel no longer works. When the water heats up there is nowhere for it to go so the pressure jumps up to 4 bar. The Worcester boiler lets high pressure water escape (most boiler allow this to go through the safety valve at say 3.5 bar).

When the water cools the pressure drops very low as the volume of water contracts.

The problem is your expansion vessel - normally a little red painted metal cylinder inside the boiler.
Read full answer
Dec 22, 2010 • Bosch Water Heaters
0helpful
2answers

The water pressure on my Greenstar 25Si Worcester Bosch combi boiler is so low that the shower won`t heat up. Can someone please tell me how to increaese the water pressure as there doesn`t seem to be an...
The boiler has a filling connection which uses a filling loop to connect the boiler to the mains supply for the initial fill and subsequent fills.
See the link below from the manual you can buy the filling loop connection online or ebay its a simple task to replenish the pressure. Worcester GREENSTAR 25Si Instruction Manual Filling The System
Read full answer
Feb 06, 2018 • Water Heaters
0helpful
1answer

Worcester 24i combi boiler loseing water from outside overflow pipe to much water in boiler i thinkwhat position should black finger be set at and how do i let water out of system annie
http://www.plumbnation.co.uk/site/worcester-greenstar-junior-24i-combi-boiler-natural-gas/

Annie, I don't have experience in this boiler , but I found a link that has some information and numbers to get help. Thought I would pass it on and hope it will be helpful.
Read full answer
Jun 08, 2010 • Water Heaters
6helpful
1answer

Flashing red light on Worcester 24i junior combi boiler
Pressure is ok? at 1 bar or above
I think on this one there should be a reset button [red] on the left hand top of the casing - or lower the control panel [ phillips screw on each side] and the button is on the left of the base plate. Press this and try the heating.or hot tap
P.S. if you're on a prepayment meter check you have gas.
Read full answer
Nov 08, 2009 • Water Heaters
0helpful
1answer

Flashing red light under ! on my worcester 24i junior combi boiler and pressure under 1
you don't have enough pressure in the tank you are using, needs to be a 2lb system to work properly it is starving the gas valve for gas
Read full answer
Apr 19, 2009 • Water Heaters
4helpful
2answers

Worcester combi boiler losing pressure & water through o/flow
replace pressure release valve
Read full answer
Jan 01, 2009 • Water Heaters
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