Shower hose WRAS restraining ring

[andytw]

Just wondering, do 'The Trade' fit these rings ?

https://www.wras.co.uk/consumers/resources/interpretations_and_advice/backflow_prevention/b20/

Seems sensible but prevents someone washing their hair over the bath.

 

[Dan Robinson]

Seems sensible but prevents someone washing their hair over the bath

That's the point.

 

[Madrab]

The rings, that come part of a riser rail, stops the head of the shower reaching the bath/basin/toilet water by holding the hose, it shouldn't really stop the head & hose from being used to wash your hair??