Thank you Burnerman.
Is draining it to 0 bar on the pressure gauge enough, as my boiler is downstairs. It won't pish out when removed :oops: May sound silly, but 0 bar means no water to boiler level (gauge level)??
Also, is a 1/2 male fitting the one or 3/8 the correct size? I...
Hello this is my first post so if someone can help it's be great!
My boiler's Worcester 28i aav is letting water out. I noticed it as it caused the fuse to blow so I investigated.
Anyway I am going to replace it as soon as possible if I can. Can a standard bottle air vent be used...