Recent content by wickysn

I have a Halstead hero 60, fitted about 5 years ago into a relatively old system, works via a Grunfoss 15-50 pump. I have recently replaced 3 of the 6 rads in the house for brand new ones and also at the same time removed the other 3 and given a propper flush though. I have filled the...

Hi (my first listing!) I have been getting a loud noise around the house, sounding like it is coming from the boiler only once everything is up to temperature. It is not permanent but does happen every single time the boiler is firing and obviously the pump is running. The pump is a Mid...