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I’ve a problem with my mains pressure hot water tank not heating. I’m suspecting it’s the 2 port zone valve actuator (Siemens CZV222). Can anybody help me test this theory? The system boiler works fine & any call for central heating fires it up. The Water tank works when I switch on the aux...

when my boiler tries to fire up, it pops the fuse on my board. When I turn it off & reset the electricity, the display shows 62 then 00. It then shows a number which seems to change, which I now realise is the water temp :) It’s possible that the PCB is knackered since there was an internal...

Finally found out where my boiler was leaking from. See attached picture, it’s from underneath & it’s the valve on the right. It’s dripping from the bit that’s screwed in, the brass part, not leaking out the screw itself. Is the only option to replace it? It’s a Vokera MyNute system boiler...

Now that my wife insists the heating is switched on, the pressure drops every day after each heating demand & I need to repressurise it to get it to start. It's been working fine heating only the pressurised hot water cylinder (which has a 12 litre expansion tank bolted on the pipe work beside...

My house got flooded a couple of months ago & the insurance contractor is currently stripping the walls down to the brick. Anyway, the dozy git has cut through one of the cables feeding a double socket outlet. Now knowing heehaw about electrics, I want to know what an acceptable repair is? Is...