K
kay-jay
Not if your working upstream of the cylinder. But there is no need to bung vent anyway.You bung it in the vent also?
I change a gate valve once but just bunged the outlet in the cwsc. I didn't bung the vent? Was I lucky? I thought bunging the vent may cause the tank to implode? Sure I've read it on here?
You only bung vent on an f and e tank cos once youve removed a rad valve or section of pipe you have two open routes back to the tank therefore it needs to be vacuumed.