Isolation valve with double check valve Does anyone fit these internally for outside tap installation? Instead of an isolation valve and a separate double check valve.
Isolation valve with double check valve to read more on the original thread at Plumbing Advice
See also UK Plumbing Advice for all UK plumbing advice needs.
Isolation valve with double check valve to read more on the original thread at Plumbing Advice
See also UK Plumbing Advice for all UK plumbing advice needs.
