Dripping Boiler

[spacey3]

I replaced the thermostatic radiator valves on the radiators the other week, refilled the system and bled and refilled where necessary.

Yesterday evening I noticed that the boiler is dripping water, it seems to be coming from somewhere above the filler part where the key would go in (will try and take a picture later).

It drip constantly around a drip per second, if you run the central heating or the hot water it slows the drip down. This morning I noticed that the water was warm that was dripping after the heating had been on.

Anyone have any ideas of what it could be? Or what to look for, I suspect it is a washer but not sure where to look exactly and what steps to take.

The boiler is a combination Wocester 28CDi.

 

[45yearsagasman]

Lots of places where these can leak. Lift off the front cover and drop the control panel down (2 screws) and have a closer look.

 

[spacey3]

Lots of places where these can leak. Lift off the front cover and drop the control panel down (2 screws) and have a closer look.

Managed that and took a video - https://www.youtube.com/watch?v=JGAgohZ9O4s

 

[45yearsagasman]

You can refurbish those valves, but it is a pig of a job. Better fit a complete new diverter valve. If you've not done one, then allow 4 hrs. With good access I have done them in 90 mins.

 

[spacey3]

Thanks for the advice, I have looked at a new one and going to see what cost I can get one for on Monday - system works - just have to refill once in a while.

Just another question, I was at the same time thinking of adding a Magnaclean or equivalent. I have access to add it but I am not sure where I need to connect which of the four/five pipes that go into/out of the boiler that it connects to.

How best do I find this out?

 

[Agile]

That leak can be mains water or system water.

My guess would be mains.

Turn off water inlet to boiler and open hot tap and see if dripping stops!

Tony