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Cheers for response. Your last point about a combi. From what you have said i can connect a new rad anywhere on the flow and return no matter how close to the boiler as the valve to switch between hot water and central heating is within the combi and not a 2/3 port valve. Have i understood...

I have a new radiator to put into a room where there is not one previously. The radiator is near the boiler (about 2 meters) Am i right in thinking for an openvented system that i cannot connect to the pipes near the boiler because of reverse circulation? I assume that i have to connect after...

Cheers this helps.

many thanks. Was just trying to understand how the internals work. I know there is a coil in there but thought if i undid the nut to this it would release the stored hot water as well.

Install not too old. fitting clean but needs resealing. Sorry a bit unclear (being a bit thick) if i need to reseal do i need to drain both the central heating and the hot water in cylinder befor undoing the nut?

Thanks for responses. My logic is telling me that if it was coming from the coil fixing onto the cylinder if i loosen this then the water from the cylinder will come out if not drained down. Is this not correct or am i missunderstanding how this works.

I have a cylinder that is leaking through the nut (central heating flow) which is connected to the cylinder. I have tweaked the nut but it is still coming through. Please can some give me advice on how to stop. If i have to undo nut is there a washer that i can replace? Am i also right...

thanks for the link. Look like just what i need. What thickness would you use here 10mm (dont do 12mm)

I am looking to tile my bathroom floor but want to put electric heating down first. I currently have a chipboard floor so do not want to lay directly onto this. Do i have to lay ply before putting down the heat mat. If so what size 12mm? Can i lay tiles diectly onto the heat mat? Any...

Thanks for replys will try to extend the vent first. Pump positioning is ok and system heats up real quick so i think sludge not a big problem.

mmmm. vent barely makes it over top of cistern and the end is in the water. Was thinking of reducing pump speed as well. Any other suggestions?

Can anybody tell me what measurement i should have for my open vent pipe into the f&e (central heating not hot water storage). i have hot water discharging and this pipe is very low. Thanks

Thanks for clariying. Not a spur off a spur so all looks fine. Cheers

I am putting a pump in an airing cupboard for a customer but the is no socket in there. There is a socket on the landing which i can take a feed from easily enougth. Am i legally allowed to run a new spur into the airing cupboard (Airing cupboard in on the landing outside the bathroom) or does...

Cheers seco.

As i understand it you have got the same as me: Essex flange into cylinder in 22mm upto boxes. Two 15mm feeds from the 22 straight into each box. Seperate 15mm feeds from the tank-one feeding each. I beleive this should work. Anyone think of any problems?

lovely thanks

anyone??????????????

Please can somebody advise what is the minimum that i should put down. Was thinking of 9mm on top of normal floorboards. Is this sufficient or do i need 12mm. Thanks.

from time to time but not every day