Recent content by JohnP2712

Hi Sorry to be a pain. Defintion of castle? I have 16 rads (9 of these are doubles) with the extension six years ago. Should I go for a 15-60? BTW the exisiting pump is a 15-50. Thanks

If it comes to that I might as well fit a new pump at the same time as this one is over 15 years old. Which is better for this an auto vent type or normal do you think

Hi Interesting thought Thanks I will try that

Hi Thanks for your reply The rads all bleed OK. The pump does not. It only seems to bleed when running. None of the pipes are under concrete

Thanks This started after i replaced an old radiator. I assume being overfired would start after a service. And the really loud bubbling happens before the heating water gets hot. Basically the second the pump starts up.

I hear it in the morning and ocassionally during the day in the lounge. But its really bad when the system starts up from cold

Hi Thanks for your reply. Yes I put three lots in

Hi I have a very persistent bubbling noise coming from my central heating system. The system worked fine until I replaced a radiator last Summer. The system is conventional with the two cold water tanks in the loft and is powered by an oil fired Worcester boiler at the lowest point...

Thanks for your reply. I have done some more investigations. The ballcock was definitely set too high. I have adjusted it and removed more water. After one day the water had not increased and everything (bar the overflow outlet being higher than the pressure relief outlet and the ballcock)...

Hi Thanks for any help in advance I have a 10 year old central heating system with traditional cold water feed tanks in the roof. The indirect tank sits on the same plinth as the larger heating water tank. copperwork is the larger microbore mostly. Around 5 years ago a new 15mm feed for...