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On reflection, I suspect this IS a seized oil pump. Is this a big/expensive job to replace?

It doesnt which is why I was looking for a few pointers to common faults.....

I'm looking for a quick checklist of faults for my boiler which has decided to give up the ghost.....again! Not out of oil. Not overheating. When the boiler is switched on it does very little, a few noises but nowhere near lighting up. - Any ideas? Cheers

Ok....someone has been out to look at this and tells me that the expansion vessel is kippered as well as the relief valve. How much would i expect to pay for this job including the parts?

Expensive to fix?

I have one of these which has developed a permanent warm water flow through the overflow pipe. The pressure valve isnt reading higher than normal - any ideas what the problem is?

It's ok for h/w, the problem just occurs when the heating is on - does this narrow it down?

This has probably been covered a million times on this forum but if someone could give me a bit of advice on this one I'd be very grateful. I have a Grant Combi 90. On the pressure guage there is a wee red arrow pointing to 2 Bar. The pressure falls way down every so often and needs to be...

I think I might actually have sussed it out John - but thanks. I might well take you up on your offer at some point in the future!

I suspect I have a problem with the pump on my WM - I am told there is no filter on these machines? And if there is a blockage the pump will have to be taken apart (unlikely I'm going to do this!). Any ideas on this? how big a job? Cost? Worth doing? - the machine is over 5 years old and well used.

If they are combined undeground, I cant see that being a problem - a lot of baths/showers connect into rain water drains in combined areas through half way up the rain water pipe. In my experience the problem only occurs when the storm and foul systems are separate.

0800 807060 Water Pollution Hotline Works in England and NI. Civic duty and all that ;)

The boiler is about 5 or 6 years old. And the only thing I have paid for is the tiger loop and a single oil pump. The whole things strikes me as bizarre. How bloody hard can it be to fix this thing. It isn't a nuclear reactor!

Yup, I think thats the one. He suspected that the oil pumps were a faulty batch initially but this clearly isnt the case. It's a flippin nightmare!

Don't know about England - but thats an epidemic in Northern Ireland. Plumbers often stick the waste pipe into the nearest available drain!

I'd go there - It'd a great country!

Over the last 6 weeks or so our Grant Combi boiler has broken down 10 or so times. The guy who has come out to look at it has fitted 4 new oil pumps, a new tiger loop and a (I think) a non return valve at the oil tank yet a day or two after he leaves the same thing happens. He is now talking...

Unfortunately I did - I should have asked for the advice earlier because I think I had got the airlock problem sussed thanks to what I was told here. Cheers anyway

How do you know when you've knackered your oil pump! :(

Gotcha - I'll give that a go and see how it works ta