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850Rick
If i was to rip out a bath,and disconect the taps and decided i need to go out to get some thing would i fit a brass end stop on the end with an olive etc to make it safe.This is what they dont tell you at college
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View the thread, titled "Brass fittings" which is posted in UK Plumbers Forums on UK Plumbers Forums.
Make it safe. You just never know. We did an installation in November, I didn't get there till lunchtime. We had to cap a rad off the existing system and the other lad had drained it, shut the lockshield and trv and gone out to the van for something. Come back in to the sound of running water and the old bloke making a fast exit. He'd come in and opened the trv.
P
PlumbBobBob
yes you could do that. if on the other hand you were replacing the bath with another one for instance you could fit isolators to the pipes which would facilitate working on the taps in the future.
many people wouldnt but it definately wouldnt hurt to cover your backside. and could save you a huge damage complaint. besides you never know what happens when your out customer may decide to fill the kettle and next thing you know the main has back filled the hot and theres water everywhere. i keep push fits in the tool box close by incase of emergencys or like you say needing to pop out somewhere mid job
on another note well done you for thinking about it before it happend.
on another note well done you for thinking about it before it happend.
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850Rick
College told us to fit isolation valves on a bath anyway that was part of are assignment.but we went in the from scratch it wasn't a situation ie your on a job do you cap of etc that's something college didn't tell us.we had to fit them to sink and toilet
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850Rick
If I had to change a trv in an upstairs bedroom would you drain the whole system,bearing in mind I don't have a freezing kit yet lol
no if sealed system, drop pressure, isolate rad at l/s and snatch it, have sone towels ready 🙂
K
Kyle87
Just drain to below the rad your working on. Waste of inhibitor to drain full system if you don't need to
wuss lol
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850Rick
So drop pressure on combi ,lock the shield valve and snatch it?lol wow tricky if the valve doesn't come straight off lol
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850Rick
I think Kyle is playing safe
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850Rick
oh I will do lol
suppose its down to experience, try it 🙂
K
kay-jay
If you turn off the valve first its not a problem. Just stick your thumb over it as soon as it pulls free🙂
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850Rick
Since learning the trade I've noticed a lot of drain of valves on radiators on ground level in pubs bars and houses.i think there a good idea.
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850Rick
How would you play the situation if you had to change the trv on a down stairs rad.would you still drop pressure and snatch?
yes, doesn't make difference where it is
use that to drop pressure then drain rad, then snatch
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850Rick
Do lsv rarely go wrong?
yes,they sometimes dont shut off fully and leak
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850Rick
Do you think thermostatic radiator valves will catch on in the future in every house hold,there expensive just to buy one of them never mind the whole house lol.I was looking at some in b&q the other week and they looked to big and square lol.
trv's been round for donkeys, build regs say you have to fit them, can get cheapo's £5
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850Rick
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850Rick
And i thought you only had to fit thermostaic radiator valves to new installs and not excisting? And all new builds will have them std
thats right, new installs
Only thing I've snatched is some pushfit elbows on a system that was obviously airlocked at the point where the elbows ere. Released them for a few seconds and they spat and sputtered then woosh. Hurredly put the elbow back on, job done.
I will start snatching other things soon, as long as I have towels and stop ends handy. Will post on here when i do one 🙂
Wish me luck...
I will start snatching other things soon, as long as I have towels and stop ends handy. Will post on here when i do one 🙂
Wish me luck...
good luck, you will be fine 🙂
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850Rick
Lets us no how you get on.Is snatching just a lazy way of doing things instead of draining down or is it about time and money?
Last edited by a moderator:
Why drain down ? 🙂
some will use a wet vac instead of towels and to suck water out of rad, but its a ball ache, towels are much lighter 🙂
E
erpkid
When part way through a job I don't like to leave customers or apprentices anything they can fiddle with that might have consequences.
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PlumbBobBob
just remember if you do any snatching, to have everything you need well within reach before starting.
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