Recent content by MikeonPipes

hello My blue switchmaster av1 midi valve actuator as seen better days. It's now been fitted with a Landis & Staefa Mav 322. The plumber could not wire it. I have contacted an eletrician who can connect it up because I have no wiring diagram I also found out that the above model is not...

I have a switchmaster 900 fitted. I recently had a new cylinder fitted and a Landis & Staefa MAV322 fitted as the switch control which turns to hot water or hot water & central heating was not working properly. The plumber fitted it & told me that I would need an electrician to wire it in to...