A water undertaker shall be guilty of an offence under this section if it uses a limiting device in relation to any premises specified in Schedule 4A to this Act, with the intention of enforcing payment of charges which are or may become due to the undertaker in respect of the supply of water to the premises.
For the purposes of this section "a limiting device", in relation to any premises, means any device or apparatus which—
is fitted to any pipe by which water is supplied to the premises or a part of the premises, whether that pipe belongs to the undertaker or to any other person, and
is designed to restrict the use which may be made of water supplied to the premises by the undertaker.
An undertaker does not commit an offence under this section by disconnecting a service pipe to any premises or otherwise cutting off a supply of water to the premises.
An undertaker guilty of an offence under this section shall be liable on summary conviction to a fine not exceeding level 3 on the standard scale.