Stupid question about TRV's

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threeflies
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Stupid question about TRV's

Post by threeflies » Fri Oct 26, 2018 6:17 pm

Daft question but here goes.

Preparing for Evohome system which requires me to make sure all radiator valves can accept their thermostatic heads. I have one room to go. The room with the themostat that controls the boiler.

So my daft question. If I add TVR's to this room can they be disabled so they are allways on just by removing the tvr adjuster. ie the controller. Thus leaving the valves pin flapping in the breeze ?

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demusss
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Re: Stupid question about TRV's

Post by demusss » Fri Oct 26, 2018 8:10 pm

Yes you can remove the head part with the display. This will leave the bottom part with a black wheel. You could either remove this as well which will mean the valve will be full open or use the wheel to adjust the flow.

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Re: Stupid question about TRV's

Post by demusss » Sat Oct 27, 2018 1:06 pm

Something you should be aware of is that your system will need an automatic bypass valve. Some people just leave 1 radiator always on.
The reason is that when the system turns off, it closes all the trvs and then the boiler off. This means the pump is still running with all the valves closed.

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