Drayton TRV4 valve - HEADACHE!!!

Postby Bobcat » Fri Jan 09, 2009 2:11 pm

Hi all.

Advice greatly appreciated here. I've recently had a new radiator installed in the living room with a Drayton TRV4 valve attached. I'm instantly regretting this decision. The thermostat is doing what a thermostat does and regulating down the flow into the rad when it detects a certain temperature but this is long before the room is even close to warm.

This, I imagine, has to be because the stat is tricking itself into thinking the room is up to temperature, either by the heat of the radiator, the pipe or even the body of the valve itself.
I went for this valve because it appeared it would do the job and was a well respected brand (it looks smart as well). We've just finished the room and had carpets laid and I really don't fancy replacing the valve with the cost and hassle that will involve.

What is the liklihood of me being able to adjust or even bypass the thermostat in this valve? Right now I would settle happily for the rad being fully on or fully off.

Thanks in advance :)
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Simply Build It

Postby Steve the gas » Sat Jan 10, 2009 8:27 am

Hi Bobcat,

Take the head off the TRV by unscrewing the silver(normally) ring under the head = full on.

Steve the gas
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Postby Bobcat » Mon Jan 12, 2009 9:39 am

Hi Steve,

That's great. I'll give that a whirl this evening. Thanks for the advice :)
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Postby TheDoctor5 » Thu Jan 29, 2009 1:32 pm

If you type the key words of your question into our search box to the left of the site you may find the answer is already posted or is in the DIY projects section of the website. Every post goes through a monitoring process and using the search box may speed up your answer.
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