Requirements for installation of hot water apparatus
7.—(1) No person shall install, or cause or permit to be or to remain installed, any hot water apparatus unless the hot water apparatus is fitted with an adequate device or constructed —
(a)
so as to prevent any backflow of water to the hot water apparatus or any pipe conveying water supplied by the Board; and
(b)
so as not to cause wastage or contamination of water or to have any adverse effect on the water.
(2) Where a water heater is installed on any premises, no person shall connect, or cause or permit to be or to remain connected, any mixing valve, pipe or other water fitting in which hot water and cold water are mixed, so as to mix —
(a)
water supplied from the water heater connected directly to a service pipe, with cold water not supplied directly from a service pipe; or
(b)
water supplied from the water heater not connected directly to a service pipe, with cold water supplied from a service pipe.
(3) Any person who contravenes paragraph (1) or (2) shall be guilty of an offence.