Thanks Tony,
Boiler serviced regularly, last time Oct 2013. Both valves have the arrows pointing in the right direction, as far as I can tell.
Sooey,
The Towel Rail has an oddly angled, "thin" lock shield valve at one end and an ordinary manual valve at the other end. It's dual...
Yes, the towel rail valve is fully open ...... unless someone has closed it recently. I thought I'd sorted it last week, but now there's a problem again.
I'll check to see if the valves still fully open.
Thanks
Y
Thanks Sooey,
Can anyone point me in the direction of an auto bypass valve? Where does it go in the system?
I'll have a chat with my plumber in the next few days, but it sounds like I might need a (different) heating engineer.
And yes, there are two valves (about 3inches by 2 inches)...
This has probably been done before but .........
Pressurized System, Vaillant Condensing Gas boiler, around 4 years old, Megaflo, system has 12 Rads 2 of which are towel rails. All with TRVs except one towel rail.
When boiler starts there is a loud persistent noise, sounds like someone...