fitting new radiator valves.

[PrenticeBoyofDerry]

I am currently changing old for new radiator valves, the new valves have an anti tamper loose wheelhead.
I understand this should be fitted to the output side of the the rad.
The current valves on the rad both look the same, so can not discriminate which side is input/output from those.

So my question is how do I know which side is input and which side is output?

and also fitting the male threaded irons on the valve to rad, how tight is to tight, I am using a rad key to do this?

 

[BingoBongo]

turn heating on and see which heats first

tighten till you cant tighnten no more

 

[kevplumb]

makes no odds which end is which

plenty of ptfe and when they scream for mercy there tight

 

[PrenticeBoyofDerry]

turn heating on and see which heats first

tighten till you cant tighnten no more

Cheers mate, now need to turn it off to cool down, as she! the one who must be obeyed. Likes to turn everything on regardless.

 

[PrenticeBoyofDerry]

makes no odds which end is which

Following instructions issued with the valves, I personally didn't think it would. But I don't pretend to be a plumber!

I've wrapped them 4 times is that enough?

 

[kevplumb]

10 at least 4 yer tight fisted git

 

[BingoBongo]

i go for 16.5

wee bit on the first couple of threads getting thicker as you go

 

[PrenticeBoyofDerry]

10 at least 4 yer tight fisted git

Aye

i go for 16.5

wee bit on the first couple of threads getting thicker as you go

FFS will it fit in the hole

 

[BingoBongo]

i hear that all the time

wrap it tightly,remember to wrap the direction you are tightning or it will all fall to burgery and psh

 

[kevplumb]

FFS will it fit in the hole icon_question.gif

dunno we only do plumbing and heating

 

[kevindgas]

i use gas ptfe tape for everything as i always end up wasting most of the reel of that thin ****e.

wrap the thread 2 full turns and in it goes! rarely do i get a leak but if i do an extra turn of the tail into the rad usually cures it

 

[BingoBongo]

i use gas ptfe tape for everything as i always end up wasting most of the reel of that thin s***te.

wrap the thread 2 full turns and in it goes! rarely do i get a leak but if i do an extra turn of the tail into the rad usually cures it

i hate that stuff

 

[PrenticeBoyofDerry]

Right I've wrapped the male up like a mummy and the female screamed like a virgin.

So I now have the valves with a rubber o rings and a compression joint either end and the male threaded caps that go at the top of the rad(end cap and a bleeder) also have rubber o rings no need to wrap these then or is it a go idea?

 

[kevplumb]

no just screw them in

 

[PrenticeBoyofDerry]

i hear that all the time

A bit slack is it

dunno we only do plumbing and heating

That's not what they are saying on other forums

Cheers, great help