9
4.0
Site Requirements - Page 9
4.1 Builders Opening
(Fig 5)
1. The boiler unit is designed to fit within a standard builders
opening, the minimum dimensions of which are as shown.
Height 584mm (23in)
Width
584mm (23in)
Depth
375mm (14¾in)
2. The opening should be soundly constructed of brick, pre-
cast concrete or be a proprietary builders opening.
3. The base of the opening should be sound and non-
combustible and must be flat and level.
4. The base of the builders opening should be at the same
height as the finished level of the hearth.
IMPORTANT: If a false chimney breast is intended to
house the boiler, a simulated builders opening, within
the breast, must be provided.
5. The builders opening must not communicate with voids,
pipe ducts or spaces other than the room in which the
appliance is situated.
4.2 Location
1. The appliance must be installed in the living space of a
dwelling.
2. Restrictions to the siting of the appliance are covered by
BS 5546. The appliance may not be installed in bathrooms,
shower rooms, bedrooms or bed sitting rooms.
4.3 Fireplace Opening & Surround
1. If a fireplace surround is to be used, it must be centrally
placed and have opening sizes and a vertical flat area as
detailed in the Installation and Servicing Instructions for the
fire.
4.4 Frame Extension Kit
1. If the depth of the builders opening is less than the
375mm minimum specified, it can be increased by the use of
the Frame Extension Kit.
2. Kit N° 234887 is suitable for use with Inset 2 TS, BS and
FS models.
For Inset 2 KS, Kit N” 239341 must be used.
3. Full installation details are included in the kit.
