service valves in central heating system
- Thread starter calvert
- Start date
Good Advice!!!!! 
The question is: what on earth would you want to do that necessitates turning off only a few rads, whilst the rest of the system keeps running?
(Proper quality and fit for the purpose) full bore valves would indeed be much better, but still absolutely pointless.
(Proper quality and fit for the purpose) full bore valves would indeed be much better, but still absolutely pointless.
Bloody usefull when you want to repalce TRV's and there isn't enough room to freeze the pipe, i've got one of these on the go at the moment Three Storey house 32 Radiators, Not ONE SERVICE VALVE!! 
Slightly different story geez. In the case of the op, it is somebody who is confident that he is skilled enough to work on his own heating. In which case using decent valves, cleaning the system and making sure it always has sufficient inhibitor, would negate the need to change valves.
Thanks fo rthe advice. I have fitted full flow gas/water valves but just wondered if I was wasting money. I am going to have to extend the system in the near future and then rearange rads. Its just to save hassle with draining etc. One of the drawbacks of living in a house whilst extending all over the place!
no you havent wasted your money
point tho have you fitted a drain after the valves
if its dry now is the time
point tho have you fitted a drain after the valves
if its dry now is the time
D
dextrous
Top tip there kev. If the op is feeling particularly keen, he could run these into wastepipes bossed into the soil stackno you havent wasted your money
point tho have you fitted a drain after the valves
if its dry now is the time
And leave the flux in?
N
namsag
What about fitting a service valve before the service valve just in case you ever have to change that
don't be silly cos then you would have to fit a service valve before the service valve before the service valve
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