Well ajohn. Take it from an expert, unless using authentic ballafix (which you will never have seen) they WILL leak when turned once they are a few years old. What is your Gassafe number? Are you WRAS qualified to self certificate on water? Muppet.
I tell you what, pop in to your cylinder cupboard, check your central heating pump. If it's got ballafix type pump valves, give it a quick turn for me then come back & tell me they don't leak.
A little bit of knowledge of plumbing is very dangerous.
I come across idiots like you all the time.
I tell you what, pop in to your cylinder cupboard, check your central heating pump. If it's got ballafix type pump valves, give it a quick turn for me then come back & tell me they don't leak.
A little bit of knowledge of plumbing is very dangerous.
I come across idiots like you all the time.