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@JohnW2 you make some good points, but we also need to realise not all TRVs are equal, some have the lock shield built into the TRV, some sense water and air, to compensate for how hot the radiator is. What seemed odd, was there were no user settings for this feature. The TRV is designed for...

Not all fridge/freezers are equal. Cheap ones tend to use a simple percentage of cooling between fridge and freezer, more expensive have valves which control fridge and freezer independently even if they both use the same motor. One would hope an oven is well insulated and has its own ducting to...

I had a problem getting the kitchen radiator warm, was not too worried about it, getting the living room warm was more of a problem, the radiators would get hot, but the room still cool. So I after a lot of messing around blamed the Nest Gen 3 thermostat in the hall, not sure if the Nest or...

I also realised there is a problem with the backplate, once the hub is removed to get access to the contacts, clearly you can't test if the unit is switching, lucky I have a wiring centre between the hubs, allowing me to measure. So assuming two channels, I would fit links if you then get CH...

Yep, same in Mid Wales loads of Oops.

As said, CH only grey should be 230 volts, the valve is an odd device, and it can result in some odd voltages. @stem has shown how it is wired, and the boiler is run direct from the tank thermostat when set to DHW or DHW plus CH, and the 230 volts at the orange is actually a back feed from the...

Had the same, was with British Gas, and they suggested their EV tariff, I moved to Octopus, and they were suggesting Flux, I looked carefully, and it would require me to mess around charging the battery during the day to ensure I did not use DNO power 4 pm to 7 pm, and the EV tariff (Go) I could...

You will be lucky, I have tried a few times to start a discussion about what TRV heads do what with comments like "Life is too short." as the reply. I was not impressed with Energenie, even the cheapest TRV heads have error codes to show range too wide and range too small, the eQ-3 head at...

90°C Thermosetting Insulated and Sheathed Flat Cable with Protective Conductor (COPPER CONDUCTORS) does not exist, as I did, you can look at other tables, and one can assume it will be similar, but there is no table under the heading above.

Yes sounds good, my domestic hot water around 40 gallons, has a single immersion heater (27"), controlled with an iboost+. The unit can run two immersion heaters, and has all sorts of options, but found all a bit OTT, I have spent a lot of money on a controller which is simply not required. I...

I have some similar units used when we have a BBQ, I plug it into the outside socket on the shed often with extension lead, with no problems, the larger units one just a hot plate, one hold dishes, and one full hostess, and all plugged into extension leads, no problems.

The whole input, output, top, bottom is an unanswered question, I found harder to trim the lock shield valve when the TRV is on the output, tended to over shoot more. But have found what really happens, is not the same as what we think will happen. Same with radiator under window or on internal...

Chart found here 4 mm² 17.5–37 amps depending on installation methods, flat twin and earth is made as a 90°C version as well as 70°C, but there are no charts I can find for it, but for other multicore cables we see 30–49 amps, so I would say no real problem on a 32 amp MCB/RCBO. The whole idea...

That is also now questionable. We were shown as how the radiators worked, but this was before double glazing. Under the window is often good for furniture placement, often a problem with curtains wrong side of radiator, but it also means the thermostat is against a cold wall, which is OK once...

So did I, worked A1 in mother's house but did not work here. I did the fine-tuning by reading the TRV display, the current should not exceed target, it can easily do this while warming up, overshooting, and harder to get spot on if the TRV is on the return, but it did work, the anti-hysteresis...

I did not think it was funny at the time, but looking back yes.

I note instructions do not show it fitted with an RCD plug. I have an outside light. I want to be able to turn it on/off for the odd visitor to the back garden, so it is powered with a smart socket adaptor. So I can turn it on/off from house (voice command) or phone. Maybe something similar for...

Although I have used an active RCD as a no volt release unit, that is not what they are designed to do. In some cases it can cause danger, I had it where a mag mount drill fell off due to loss of power, the required chain stopped it falling to the floor, but it still dropped a foot or so. OK...

In will talk around about a couple of minutes to answer this. A phase used, but as to why we say that, not a clue. As to "These ones" that grates on me. Same as the very end, or very last, except for "The very last of the summer wine" that did make sense. As to worst, worster, and worstest...

Oh, what a can of worms you have opened. I have debated this a lot with my son, as to the Myson fan assisted radiator, and if moving air around is good or bad. If I put sensors around the room, I see some massive differential in the recorded temperature, but this is not the case all the time...