Thanks coppercylinderman. I've had it installed the central heating is fine and I can't see a valve anywhere in the f/r pipes to the cylinder. Where should it go and what operates it.
I've just had an unvented hot water cylinder installed in my bungalow. The boiler is an oil fired worcester bosch danesmoor 20/25 it is an open vented system. The original indirect cylinder was situated next to the boiler about 6" above it. The system top-up tank is in the attic. There is no 3...