Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws
Sounds a useful piece of kit especially as they seem to have addressed problems.If they are a way of giving old people peace of mind they are a good idea.Alanka...The Surestop chaps assured me that this was thing of the past. The current crop of valves have addressed this issue and the shutoff is more gentle (no guarantees though).
By the way...the valves do have a built-in strainer. (Nice to see you Alfie at Interbuild today doing a grand dem. job on the Surestop stand and attracting lots of attention).
Reply to the thread, titled "Surestop" which is posted in UK Plumbers Forums on Plumbers Forums.
We recommend City Plumbing Supplies, BES, and Plumbing Superstore for all plumbing supplies.