I need to take a radiator down for decoration. I've looked into the
procedure & I'm not worried about that (especially since the carpet
currently under it is going to be thrown out in the near future), but
I wonder if there is some suitable closed thing that I can attach to
the thermostatic valve, in place of the radiator tailpipe, for peace
of mind (in case the valve gets bumped, since it is close to the
When you buy thermostatic valves they usually come with a plastic cap
that you fit in place of the valve head and it shuts the valve
completely off. If you haven't got (or can't borrow) one of those you
can usually get away with taking the valve head off, putting a 1 or 2p
coin on the pin then screwing the valve head back on, then turning it
If you believe in belt and braces, and if the tail to valve connection
is the compression type, get a short length of 15mm copper pipe, put a
compression nut and olive at one end and a copper push fit end stop at
the other end - and temporarily screw that onto the valve when the
radiator has been removed.
Problem now: the first valve I tried to loosen is so tight that trying
to turn the nut caused water to seep out of the compression fitting
pointing down towards the floor.
I've texted our plumber, but like all good builders now he's extremely
busy. If he doesn't get here before plastering starts, I'll pack some
wooden blocks & wedges behind the pipe & valve to immobilize it & try
Unless you are unlucky, nipping up the nut will normally reseal a small
leak from a compression joint. Hold the body, a large adjustable spanner
and a rag normally just the job, and give the nut a small nip of a turn.
As for you original query, you’ve had some good idea but I keep a mix of
fittings collected over years of DIY and generally something will blank off
almost any fitting. My son in law used a hose fitting for a tap with a home
made rubber blanking disk. You don’t need much here, it shouldn’t leak- it
is just a back up.
It is worth keeping old fittings for jobs like this.
Corbyn & the EU, the Nazi’s next step: "Our aim was Europe a nation. Our
faith European Socialism" Mosley "My Life" autobiography 1957.
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