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Yes, round red handle. I assume this means that it needs replacing and I need to either drain the whole cold tank or bung it to both for that and change the valve? I also assume that I shouldn't try to reuse the nuts / olives currently on the pipes or is this considered ok if I can find an...

Thanks for all of the replies & you wrote what I expected to happen, I'd just not looked all the way up that pipe previously as I'd been fixated with it being labelled cylinder drain. That 4th pipe on the left that goes from the cylinder to the ceiling has a tap on it further up, above the...

One of the pipes on the left to the loft (with the isolation valve label) is obscured, you can just see it coming through the floor. I previously tried closing both valves to the loft and what I assumed was the gate valve to the base of the tank but the hot water kept running for ages

I need to change a hot water tap without an isolator. I have a vented hot water system and my tank cupboard has 3 pipes running through it from floor to ceiling. One carries hot water and is connected to the top of the tank, the other 2 carry cold water - one has a label "isolation valve" it...

Thanks for all of the replies. I'm likely just going to replace the synchro motor now then the whole valve in 4-5 months, potentially going down the 2 valve route. There is no spur in the tank cupboard but there is one next to the heating controls which seems to cut power to the valve. Is it...

The whole unit (ie drain the system) or just the synchron motor within it? Even if it's only temporary I'd prefer to not have to drain the system & mess things up at this time of the year as the wife won't be happy.

I have a 25 year old heating system that has functioned fine up until recently. Occasionally now I have a problem where the heating is on at the boiler but no heat is going to the radiators and the hot water from the taps gets really hot. This happens maybe once a week now. There's a...