Unvented
Hot
Water
Cylinders
Installation
and
Maintenance
Instructions
IMPORTANT
NOTE
TO
THE
INSTALLER
Read
these
installation
and
maintenance
instructions
before
commencing.
Unvented
cylinders
are
a
controlled
service
as
defined
in
the
latest
edition
of
the
building
regulations
and
should
only
be
fitted
by
a
competent
person.
The
relevant
regulations
are:
England
and
Wales
–
Building
Regulation
G3;
Scotland
–
Technical
Standard
P3;
North
Ireland
–
Building
Regulation
P5.
After
installation
the
installer
must
left
the
instructions
manual
with
the
householder.
