TRV frost setting

[fowler1974]

Hi,

I've just taken a radiator off in my house for a plasterer to plaster behind. I closed the trv to the frost * setting. I'm now concerned that the trv may leak if the weather gets really cold. I'll be home in 6 hours, what are the chances given its 12-14 degrees outside. Sorry for being dumb just a tad worried!!

Also can you use leak sealer on central heating systems installed with plastic push fit??

Thanks for your help.
F.

 

[bengasman]

You should use the decorators cap that comes with it. If you knock the valve head now, it is very easy to open it.

 

[david17uk]

If you're worried it may leak, or if it's passing. but a short piece of pipe in the valve (with a nut and olive), then put a cap on the end of the pipe.

Then there's no chance of a leak

 

[bengasman]

Would blanking the valve not be easier?

 

[david17uk]

Yes but not always possible If they don't have a blanking cap

 

[fowler1974]

I used copper pipe and a push fit stop, cheers.

 

[bengasman]

Average household is more likely to have a blank or cap than a spare nut, bit of pipe, and a compression stopend.
Visit to shop will do the trick in either case.