Hi can someone clarify this?

I have recently started a new job as a Facilities Manager, and one of the plumbing contractors said that he noticed an issue while he was working on a cylinder in a flat “the expansion vessel is being fed by the cold-water pipework, which includes a non-return valve between it and the cylinder, and that the non-return valve between the expansion vessel and the cylinder will render the expansion vessel ineffective, as it obstructs the necessary flow for pressure regulation?” I have contacted the original installer but there taking there time getting back can someone please clarify if this is the case from the pictures, if so it would be greatly appreciated. Thanks Ste

Continue reading...