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You'll probably find you have 2 tanks in your loft, one to supply cold water to your hot water tank and one to act as a fill and expension tank for your central heating / hot water; first you need to find out which one is causing the overflow. As seco says, it could just be the ball valve not...

The reference number is so that you can prove you've informed Transco, and possibly is their job ref number too. Unless you have MET1 then you can't work on meters apart from carrying out tightness test / cap off. Once you've informed Transco your jobs done, its up to them to sort. If the...

How old is the appliance? On older models the flame sensor wire (I believe) is routed in series, through the condensate trap. The idea was that if the trap blocked up the rise in condensate would earth the wire and prevent ignition. I seem to remember your symptoms on a CSI85 I looked at once...

Thanks for all the inputs, looks like I'm stuck with the vent pipe...however as the pipe is 100mm diameter (4 inch for you colonials), I'm guessing I would be OK replacing the visible portion of the pipe with a smaller diameter pipe, maybe 40-50mm so it still vents but is less of an eyesore.

........:)

The small tank should be your fill & expansion tank; it should have an open ended copper pipe bending down over the tank, this would be the 'vent'. I installed a thermostatic shower over my bath, including a pump i.e. power shower. I took seperate feeds from the cold water header tank and the...

A 10 year old bungalow should not have a system fitted that needs a rad left on; what heating system is in the bungalow?

Toilet and bathroom waste enter the stack at about first floor level (so just beneath the roof exit point), the stack then rises vertically between the toilet and bedroom windows.

I have a two storey house; at the back of the house at first storey level I have a small slated roof which is only 3 slates wide. The soil pipe vent comes through this roof and goes up the side of the house, round the guttering and terminates adjacent the main house roof. This makes the soil...

Hmm interesting...I have read the MI's more times than I care to mention and considering that most boilers have a pump over run I wouldn't consider it ill informed or jury rigging. But hey thanks for your input anyway.

Why not?, my CH system is micro bore. I dont want it sludging up; it's not like it's a difficult job. My rads get hot and with a 4 bedroom house I think it would soon become apparent if the pump was on the way out. My boiler stat is set about half way, I've never run it at full. Bearing in...

I use Sentinel products to clean / inhibit. G4U can you tell me where you found the info on the pump overrun as I'd like to carry out some fault diagnosis, thanks? NB Just had a look at the pictoral and functional flow diagrams in the manual and there are is no indication of the boiler being...

I have had one of these boilers fitted for about 5 years. Last year my CH system started banging when the boiler shuts off. It is fitted to a fully pumped vented system and was initially installed at the same time as my old gravity system was converted to fully pumped. The installers did not fit...