Leaking Pressure Relief Valve on Britony Combi SE

3 Jan 2006
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United Kingdom

I have a Britony Combi SE Boiler and have recentley noticed that the black plastic pressure relief valve is leaking from what looks like a secondary relief outlet. The actual clear silicone pressure relief tube comes out of the valve just next to the dripping outlet\hole.
I have used a torch to see where the leak is coming from and it may be that the valve is cracked somewhere inside however i'm not too sure if it is meant to drip from this 'secondary relief outlet'?

Can anyone advise what this secondary outlet is and if it should eject water?

I have a digital photo if needed.

Thanking you for your help and time.

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Photo is always good.........never heaerd of a secondary relief valve so dont think its that. Whats you describe could be a manual drain cock used from draining the boiler for service/maintainance......these can have a tendence to pass even when shut off. Post a pic.
Here is the link to the image...



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I've had the same problem. Britony plastics frequently have pin holes in them. In this case the pin hole allows water to leak into a void and thence outside. You need to change the whole plastic assembly.

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