why don't plumbers fit isolation valves?!

[MP plumb]

i have come across soooo many maintenance jobs where there are NO isolation valves fitted.

some jobs have NONE whatsoever so i have to turn off the main stopcock and drain the whole system down, some use cheap valves that last a year until they get furred up or just dam right stuck!, and others put the valves in places u will never reach again!
so myy question is.... why do u old boys( i say old boys because i usually work on old sytems, and i know valves dont last forever, but even young boys dont care to fit them once they have worked on something) not fit them? is it cost or cant be bothered!!!!?

it makes such more hard work for me

 

[ecowarm]

No requirement to fit, only on ball/ float valves

 

[moony]

I always fit them. But I don't mind if they're not fitted as its only really become the norm in last few years.

 

[Guest123]

.....because they're lazy tight fisted gits.

Seriously though all new installations should have them fitted as a matter of good practice. Saves gas in my pipe freezer!

 

[ecowarm]

And I'm now fifty so please don't call me old

 

[SimonG]

Always fit them. I work on the basis it's probably me coming back at some point for servicing/repairing/replacing so make sure i can isolate and remove things nice and easily.

 

[Mike Jackson]

Until ballofix valves became commonly available there was no choice but to use stop taps and gate valves so it wasn't normal practice except on a lot of government housing contracts.

No excuse for not using them now though.

 

[Puddle]

I always fit service valves,trouble is finding good quality ball a fix valves is becoming harder and harder

imho

 

[hammers4spanner]

I always fit them as when filling up and testing makes life sooooo much easier!!!

 

[dontknowitall]

I fit them all over the place too.

I think it was a new regulation on 1st April last year where every new tap had to have an isolation on it's supply pipe.