Girlfriend has moved into a new built Persimmon home in January. She wants me to put up an outside tap. No issues with plumbing it - but the pipes in the home are gray plastic in appearance types. All joints have silver "rings" round them. I'll need to get the Digital Camera out and take photos. There used on the heating pipes as well.
Anyone any idea what these are - I assume push to fit, but some joints are down with old style compression's too.