Jon,
"Reassuring" to know we are not alone with this problem. Our boiler has only suffered with this problem since we removed all the rads for a major house work over a year ago. The radiators were all thoroughly washed out & the heating system had my version of a system flush as I connected...
Mick,
Yes, the Fernox F2 was added through a radiator. The heating was used for at least 2 weeks afterwards so the noise silencer fluid must have been well mixed in by the time we last used the system.
I am reluctant to use the heating system until it is decided that there is nothing else I...
Thanks to Twogas (Mick) & Agile (Tony) for your quick replies to my query.
Mick, all the controls we have are a Drayton MA1 Mid Position Actuator valve, a Drayton HTS3 Tank Stat. a Grundfos Type 15-50 Selectric Pump & a Lifestyle LP522 system programmer. All, bar one radiator, is fitted with a...
We have a 3.5 year old Halstead Eden X Type VBX 30 that works efficiently but it has a loud knocking & vibration period 5 minutes after heating light up. The problem manifests itself for about 5 minutes then all goes relatively silent. It does not happen when hot water only is on. The noise...