Lost pressure on Worcester9.24 Combi = Cold Shower???

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18 Mar 2008
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Hi All,

Help needed please. My gauge says there is no pressure on my Worcester 9.24 Combi Boiler (electronic). The radiators work fine and the hot taps come on with decent flow - go warm after 15 seconds. But when I turn on a 2nd tap - nothing happens.

The biggest problem is the shower. It's a hot\cold feed shower (only 6months old). It's been getting cooler and cooler so I've been turning up the heat setting on it - it's now at the highest setting but still only luke-warm. The shower unit where the hot pipe comes out of the way is boiling hot so hot water is getting to the unit.

I can only assume the shower problem is related to the combi's pressure gauge displayed zero.

Things I have tried or looked for -
1. I have increased the main feed into the house buy a half turn on the stop-valve.
2. I have looked for a pressure release pipe and tap to increase\decrease the pressure in the combi. This doesn't seem to be present.
3. There are 6 pipes going to the boiler - I can list them later.
4. I replaced the shower 6months ago as this problem was happening back then. It resolved the issue for the last 6months but now is happening again with makes me think it's the boiler.

Many Thanks in advance folks.

Cam
 
you need to look for the filling loop, similar to the ones in the FAQ section

once you top up it might work better although could also be the
domestic diaphramn failing.
 

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