Any plumbers about? Radiator leaking

Cheers lads, i'll give it a go in a few days :).

It seems to have slowed right down now the heating is back on. So i'll just keep the heating on as much as possible untill i get a chance to sort it.
 
yeah the heat will cause the metal to expand, but when it contracts as it cools it will probably drip again.

Fernox leak sealers and similar definately arent necessary on a fitting like that. I would just go rather thick on the tape. Whatever you put on before, double.

It wont do any harm. And on your second pic I would say that its actually went in too far lol. they normally nip up tight with threads still showing. However yours has ran all the way in. More PTFE will make it tighten earlier, but get a better seal
 
Cheers Hedge, i'll give it a shot. I think the valve went all the way in without any ptfe on and nipped up right at the end. I hope it is a tapered thread.

Is there different types of ptfe tape? The stuff i have is cheap stuff from screwfix.
 
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