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@desktop987456 has a point, I tend to forget not everyone uses electronic TRV heads which give a code if jammed etc. My wall thermostat and two out of 10 TRV heads produce graphs so I can see how they have preformed. If one radiator valves are stuck wide open, the returning hot water can cause...

Yes, lamp is the whole fitting, bulb, wick, mantel, tube, etc. is a part inside the lamp.

The central heating system has three modes. 1) DHW only boiler gets power from the tank thermostat, valve at rest. 2) DHW and CH boiler gets power from the tank thermostat, valve at centre position. 3) CH only boiler gets power from the orange wire out of the valve, and valve all the way across...

Not at all. Today most supplies are RCD protected at the consumer unit, and there is no need to double up on RCD protection, with one or two exceptions, caravans and boats, where both the supply has an RCD and the caravan or boat has an RCD. So unless 10 mA rather than 30 mA there is in the main...

Radiator store heat, but more likely picture windows either side of the living room, single glazed. I will assume there was a leak under the floor, but I simply don't know. 1970s and mortgage rate fixed with the council around 16% and sold house mainly to get out of the mortgage, could not...

My first house was hot air, ducts took air around the house, and vents in the doors allowed it to return. Yes it heated the house very fast, but it also cooled fast, and cost a fortune to run.

Lack of earth would worry me, not because of no earth, but because the rules changed in 1966, so it points to wiring older than 1966 which means it could be rubber.

Years ago I would have used one of these but they have become so expensive. 5 amp socket seems a better price, but it depends on the transformer/driver for the lights, mine came with a 13 amp plug so no real alternative but use a 13 amp socket.

There are two types of RCD plugs, active and passive, the active type will always open with loss of power. The problem is the plug RCD needs a voltage over a set limit to work, in a consumer unit we can guarantee it will have enough voltage, but at the end of a long extension lead it may not...

Is it something daft like I found here where the thermostat seems to think I am not at home? Every time something moves, like the door opening when I go to make coffee, it turns the heating on, and will stay on for around an hour, then return to away mode. First time I had the problem the...

My Nest thermostat is only there to do DHW and CH only if we have lit a fire in the living room, in the main the Wiser thermostat controls the boiler, so not really worried any more what Nest does, however today heard the heating running, but living room warm from sun through windows, so looked...

Yes, I take your point, I would consider a cistern to be like this I have walked around inside it. Clearly not a tank, but my house would fit inside the Basilica Cistern, no way would it fit inside my house. As to reservoir or cistern, I suppose a cistern is covered? So if no lid on the may...

Thank you, @denso13 so piped in series. As found in schools etc. It seems central heating full of odd names, like boiler, which, if it boils, is considered as faulty.

The French have plug sockets, the part connected to the appliance has a socket for the earth pin, but the lives plug into the wall plug socket. So since both parts can be given the name of either plug or socket, it seems to make sense to have some unambiguous name. We however, have a whole host...

This is what I thought, the thermostat it seems is designed to stop hysteresis, and as it approached the set point, it starts a mark/space ratio so it will not overshoot. This house fitted a second thermostat in parallel to the first in living room, first one in hall, it should have not made a...

No it is a phontical sound from the 27 in the Welsh alphabet. I was once required to have a drag of a special cig, as the others in the group were worried I would split on them if I was not partaking, didn't do a thing for me, the Algerian red wine did a far better job. But if I look back to...

These have been used for years, and one would hope you can buy the plug in sensor, but look at the price, why stock the head when it is more expensive than the whole unit? And once you move from the standard basic unit, finding the make and model for a unit costing less than £20 is not worth...

Well it seems to have happened with decimate, which was to kill one in ten, now it seems to mean the reverse, to get rid or nine in ten.

Oh, wonder why? I have found the hob left switched on that many times, I would not dare to use any hob which did not auto turn off. I found it a problem in the caravan, she would just fail to turn the hob off. However, we do have an induction hob with knobs on, I can't stand touch controls, but...

I use Google Nest Mini's, but same idea. Better security having no lights, as I have some 5 foot sheer drops. Can't see the point in making it easy for them.