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Hi one other thing,the 7kw shower may have been run in 6mm/2 and the 9.5 kw would need to be in 10mm/2.Changing the mcb is usually straight forward, turn OFF the electric, remove the enclosure and two screws one for the cable and one holdind the mcb to the busbar.Some mcbs also have a...

Yes,you only need to earth the metal boxes

Hi,if the cables are surface mounted I'd terminate them in a 5 Amp junction box with 4 terminals, then run a short 1mm2 cable to the fitting.Or if not let all the cables go to the flur. fitting but using a 5 Amp connecting strip join the switch cables then thoroughly tape off with insulating...

Hello,the ideal fall is 1 in 40,but can be up to 1in 60 if in plastic not clay.Screwfix usually very good,only had one bad order,didn't send the 99 %of the big order cos a few parts not in stock.If you order by phone you could make sure they have all the parts before confirming.Have fun

Hi ,yes so long as the filling loop is at least turned off or disconneted,you can drain the system.You will hopefully have a bleed piont to attatch a hose in the lowest point in the pipework.You will need to undo the air bleed valves in the top of each rad. to help empty.Work from the highest...

Hi nearly posted this the other day.The element is always hard to remove cos the joining compound will have set good and proper during the long lifetime of the immersion element.You need to get a cheap propane gas gun,heat the area round the element evenly.Don't try forcing the element,it may...

Hello,we also ran out of oil again! last Thurs.The boiler just needs the air releasing out of the fuel line before it will relight. Usually all you need is an Allen key,just undo and let the air bubble out till you get a constant flow of oil.The bleed point will be shown in your manual,or just...