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Hi, I have a Vaillant eco tech plus combi boiler. It works okay for hot water but I am having problems with heating. When the heating is on the system pressure starts to rise slowly. I have it set midway in the grey zone on the gauge but with the heating on it slowly creeps up through the red...

I have recently replaced an interior door but have a problem. When not closed it swings open but I want it to swing closed. Can anyone tell me how to achieve this? Many thanks. Tim.

Can anyone tell me what the rules are regarding connecting extract fans to lighting circuits. I was once told it was acceptable in certain situations but can find no reference in the 16th or 17th Edition regulations. Tim.

Can anyone help me with a generator question. If the plate on a 3 phase alternator on a genset states 88kVa 122A does that mean 122 A per phase or 122/3 A per phase? Many thanks Tim

Help, I am going to be fitting a new kitchen soon. Can I fit an under sink electric water heater and connect it to the existing socket ring circuit? Is it legal and is it safe? Does anyone know a good trick for adding sockets to a ring circuit without replacing the cables back to the...

Are you allowed to connect lightning protection to earth bonding system. I work overseas and haven't got any reference books to check the 17th edition rules but I would have thought it to be a potentially dangerous practice. I thought I had better check the facts before I tell our contractors...

I work in a place where most of our equipment is supplied by generators. As a result earthing is achieved by connection back to the generator and it's earth/neutral link. For some reason all the generators and equipment supplied have also got earthing electrodes (rod types) fitted. I work in...

I am changing a radiator. I know I can isolate both sides with the stop valves to remove it but can I change the discharge valve to a thermostatically controlled one without draining the whole system down. Many thanks Tim

I have just moved into a house that needs a fair bit of work doing on the central heating system. It is gas at the moment but I am wondering whether to go all electric. Some points to consider are pipework around the house, availability of gas supplies in the future, price of gas in the...

I have just moved into a house that needs a fair bit of work doing on the central heating system. It is gas at the moment but I am wondering whether to go all electric. Some points to consider are pipework around the house, availability of gas supplies in the future, price of gas in the...

I want to put in a 50 metre fence but the ground is not flat. It is on a hump that goes up about half a metre to the middle then curves down for about a metre. Does any one have any advice on how to do the job so it doesn't look too crap. I want to use concrete fence posts and propably...

Are there any gas boffins out there? I have just moved in to a house with gas central heating. I have allways been all electric so I need to know a few things about the new system. 1. What do I need to do to maintain the system in a healthy state. 2. Why is my system operating strangely...