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- 23 Jan 2009
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I'd appreciate any advice on this.
Our combi boiler has been tripping the RCD occasionally for about a month - this has become more frequent - and it trips it with all electrical appliances in the house unplugged and it never trips with the boiler off so I'm more or less certain it is the boiler that is causing it.
Boiler was due for a service so asked boiler engineer to have a look and he couldn't find anything wrong and suggested an electrician. Called an electrician who couldn't find anything wrong - he said the earth was a bit high at 1.5ohms (I don't really know what the significance of that is) but the only thing he could suggest was wiring the boiler so it bypassed the RCD. Now because the boiler is on a spur of the ring main with it's own switch and 3 amp fuse (electrician said this was an unusual set up) all the sockets bypass the RCD. He didn't seem concerned by this but I'm just wondering if the RCD is there for a reason whether that is really a safe way of doing things ?
Both the boiler and the house wiring are less than 3 years old.
Any advice ? My gut feeling is that at the least the boiler should be wired directly to the consumer unit with it's own trip switch and the sockets be put back on the RCD. Is it even safe to run the boiler if it is tripping the RCD ? Is having a boiler wired to a spur a poor way of doing things and if so why ?
But I don't normally touch electricity or gas and having had the professionals in don't really have any definite knowledge to go against what they've done.
Our combi boiler has been tripping the RCD occasionally for about a month - this has become more frequent - and it trips it with all electrical appliances in the house unplugged and it never trips with the boiler off so I'm more or less certain it is the boiler that is causing it.
Boiler was due for a service so asked boiler engineer to have a look and he couldn't find anything wrong and suggested an electrician. Called an electrician who couldn't find anything wrong - he said the earth was a bit high at 1.5ohms (I don't really know what the significance of that is) but the only thing he could suggest was wiring the boiler so it bypassed the RCD. Now because the boiler is on a spur of the ring main with it's own switch and 3 amp fuse (electrician said this was an unusual set up) all the sockets bypass the RCD. He didn't seem concerned by this but I'm just wondering if the RCD is there for a reason whether that is really a safe way of doing things ?
Both the boiler and the house wiring are less than 3 years old.
Any advice ? My gut feeling is that at the least the boiler should be wired directly to the consumer unit with it's own trip switch and the sockets be put back on the RCD. Is it even safe to run the boiler if it is tripping the RCD ? Is having a boiler wired to a spur a poor way of doing things and if so why ?
But I don't normally touch electricity or gas and having had the professionals in don't really have any definite knowledge to go against what they've done.