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Electric valve for my conservatory radiator


Graham*

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It's small bore, so I think it will need a 'normal' section inserted to facilitate the fitting of a valve.

The existing thermostatic valve is a pain, and it frequently needs replacing.

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Forum Editor

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namtas

I think you need to take a step back and think about what you're saying before being amazed by what I believe, and knee-jerking into 'will the real FE stand up'.

The real FE has worked for years with companies in the construction and heating industries, and during that time he has absorbed a fair amount of information. He also has more or less instant access to people who manufacture all kinds of construction-related products - heating products included. Google isn't required in most cases.

I didn't say that a TVR doesn't sense a change in the room temperature, I said that it doesn't know what that temperature is. A TVR is a simple valve made slightly less simple by the addition of an automatic open/close technology. It will close as ambient temperature rises, and open as it falls. It has no idea what the actual temperature is at any given moment, and that is exactly what I said.

Now that I have that clear, I think it might be an idea to call a halt to convoluted discussions about the finer points of the TVR - I'm sure that most people would prefer to watch paint drying. I'll therefore quit the field.

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namtas

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they don't know what the room temperature is

Whichever way you want to twist words, It knows enough to decide if the area that it is monitoring is too hot or too cold,

That signifies that it has to know what the room tempo is.

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Graham*

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The temperature of a radiator on a central heating system is determined by the temperature of the water circulating in the system. A valve uses a thermostat and when the room has reached the desired temperature it closes the valve so shutting off the hot water supply. How quickly the radiator cools down and how quickly the room loses heat depends on the house/room insulation. In a conservatory there could well be a great deal of heat loss and to compensate the valve will open up the supply to the radiator to provide heat and the radiator could be providing heat almost constantly. The valves do not adjust the heat of the radiator. A single radiator may be cooler than others in a system but this is probably because of a defect eg air or sludge in the system. Your new valve probably has more precise temperature control and may open or or close the valve quicker but it will not increase the surface heat of the radiator. If the new valve is set to a higher temp than the previous TRV then you may find that your radiator will be on even more than before"

At last, someone has seen the light.

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Graham*

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It was me, I had sludge in my eyes.

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Aitchbee

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Has anybody tried these radiator gadgets?

http://www.lidl.co.uk/cps/rde/xchg/lidluk/hs.xsl/index34948.htm

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Aitchbee

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Radiator Bleeders ... let's try again with this link:-

http://www.lidl.co.uk/cps/rde/xchg/SID-659955E2-ACF75903/lidl_uk/hs.xsl/offerdate.htm?offerdate=34937

...are they any good?

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Woolwell

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Aitchbee - Your links don't work and I doubt that it has much to do with this thread. If you are talking about bleeding radiators, then it is only necessary if there is air in the system and a radiator fails to warm.

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