no it's ok i've sorted it!!!
but...
...now the water takes a while to heat up. it gets nice and hot then the gas goes out and it goes cold again. it hovers between 18 and 35 degrees for about 3 mins then the boiler fires up and it gets hot again for a short while then back down again...
right. on the label inside it says turbomax vuw gb242/2-5
turbomax plus 824 e
on that pipe furthest away from the boiler there is a brass valve shaped like a block. it has a turn valve on it that accepts a flat screwdriver and also has a hole in the middle. this is the one i use to fill the...
i didn't realise there was two. there seem to be a number of valves under the boiler. i tried all of them but they didn't do anything. i'm sure i returned them to their original position
i just replaced my diverter valve on my boiler. after finally locating my refill loop valve i refilled the boiler to a pressure of around 1.5. the radiators work fine as do the cold water taps but no water at all comes out of the hot taps or shower.