I think valves have to be changed on 20 lb and 30 lb tanks every 10 yrs. I have never seen a code on this subject. I have just checked
B149-2-15 and its not found in there. An y help would be greatly appreciated on this matter. thank you.
I believe it falls under Transport Canada Regulation.
There is a stamp on the collar with an expiry date. It is 10 years. Can be recertified but expensive.
Thank you very much for the reply guys. ;)