You will always need an expansion vessel unless you use a Megaflow which has a built in expansion "bubble" internal to the unit
The 2 items indicated with require an external potable expansion vessel
Can you let me know all the component needed to fit them safely please. A diagram would be great if you have one. Thanks so much for you help. Matt
Thanks for that.
So just to confirm if I fit those bits then this will make the installation comply with safety rules and regs?
Last question I promise:)
Ok thanks very much for you help.I will defiantly be leaving good feedback:)