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I am the long suffering owner of a Grant 90 Combi boiler. This has caused a right bit of trouble over the years and has its second pressure relief valve problem in a matter of months. With the problem recurring so quickly, I called the guys back to sort it out. they have highlighted the fact...

As of yesterday, I can only get hot water from the boiler when the full heating is on.....not good news in June! Anyone know of a likely explanation why i'm not getting hot water on the "hot water only setting"? Boiler water pressure seems to be fine.

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

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?

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 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.

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...

Help! The oil tank is now full again but the boiler wont restart - even after pressing the restart button on the boiler. It sounds like it is trying to restart - airlock? Can anyone help out here? Cheers