13
What is a WRAS approval?
Any water fitting which, when installed, will carry or receive
water from the public mains water supply in the UK, must
comply with the Water Supply (Water Fittings) Regulations or
Scottish Byelaws. These require that a water fitting should not
cause waste, misuse, undue consumption or contamination of
the water supply and must be
‘
of an appropriate quality and
standard
’
.
Operational envelope
70
60
50
40
30
20
10
-30
-20
-10
0
10
20
30
40
50
60
Air temperature (°C)
W
ater off temperatur
e (°C)
