I think I've got a Switchmaster VA1 Central Heating valve ?
(Taken at 90 degs :-) )
It seems to be almost dead. Gets stuck as it rotates clockwise at the 5
o'Clock and 2 o'Clock positions (as viewed without rotating photo)
The only useful info I can dig out from the Internet, is from 2002 in this
Or colour codes quoted by Kevin Gibbs in Post 6 certainly correspond.
I've pulled the device off of its plate. The valve itself is fine, nice and
loose. The device itself rotates round when decoupled from the valve plate,
but gets stuck when attached back on the plate. I can force it along with a coin.
What are my options, back in 2002 they seemed rather bleak. I assume I need to
completely replace the device. I've got zero plumbing skills, which is a
shame. I was hoping it would be a simple electrical DIY job, but it seems not
Any advice greatfully received.
- posted 12 years ago