that your not allowed to use outside taps with built in NRV, is this true as im due to install one soon?
NRV needs to be internal now.
stops them being prone to freezing when fitted outside ie in the tap.
I think the water regs were 1998 and slightly amended in 1999.
Perhaps some of the tutors are a little remiss in not pointing it out.
should not shall
It is mandatory to fit them to prevent backflow.
They should be inside!
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