Hello all,
Our CH has recently started making quite voilent banging noises from the boiler/pump/valve pipework. It only seems to do it when the system is getting up to full temperature but there is sometimes also a single big bang as soon as the CH valve closes.
It's an open S plan with std issue BG valves (Drayton), BG multihead pump (on pos 3), Potterton Promax 24HE boiler feeding 12 rads. It has a combined F&E pipe (22mm) which comes off the air separator (28mm).
A couple of rads were replaced recently (October) and following this the system was flushed with X400 for about a month which removed plenty of sludge. Once flushed through, it was refilled and X100 added. I fitted a Magnabooster2 at the same time.
The separator and about 200mm of the F&E pipe will hold a magnet which means it's full of magnetic debris, correct? Could this be the source of the noise and is there any effective way to clean it or is it a chop-out-and-replace job?
Thanks.
Our CH has recently started making quite voilent banging noises from the boiler/pump/valve pipework. It only seems to do it when the system is getting up to full temperature but there is sometimes also a single big bang as soon as the CH valve closes.
It's an open S plan with std issue BG valves (Drayton), BG multihead pump (on pos 3), Potterton Promax 24HE boiler feeding 12 rads. It has a combined F&E pipe (22mm) which comes off the air separator (28mm).
A couple of rads were replaced recently (October) and following this the system was flushed with X400 for about a month which removed plenty of sludge. Once flushed through, it was refilled and X100 added. I fitted a Magnabooster2 at the same time.
The separator and about 200mm of the F&E pipe will hold a magnet which means it's full of magnetic debris, correct? Could this be the source of the noise and is there any effective way to clean it or is it a chop-out-and-replace job?
Thanks.
