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WD51/2/1997 Chapter 2 - Boiler Connections
2.1
DIMENSIONS AND MINIMUM
CLEARANCES
The boiler must be installed in minimum
clearances shown to allow subsequent
servicing, and safe operation.
2.2
SERVICE CONNECTIONS
Gas, water, air and flue pipe,
condensation, and electrical
connections are as shown. Gas :7 0.5
inch BSP male. Flow/Return 35 mm
copper.
2.3
POSITION
The Keston is not
suitable for external
installation. The boiler
may be installed in any
room or internal space,
although particular
attention is drawn to the
requirements of the
current IEE Wiring
Regulations and, in
Scotland, the electrical
provisions of the Building
Regulations applicable in
Scotland, with respect to
the installation of the
boiler in a room or
internal space containing
a bath or shower.
Where a room-sealed
appliance is installed in a
50
190
263
Top View
Installation & Servicing Instructions
2. BOILER LOCATION
Figure 2.1.2
Dimensions
Flow
Air Intake
Return
50
244
405
Service Connection Locations
The Keston 170 Condensing Boiler
All dimensions in mm.
1
305
Flue
Condense
113
500
65
152
50
97
37
254
Figure 2.1.1
127
Minimum Clearances
All dimensions in mm.
Gas
35
30
Base View
All dimensions are in mm.
1
85
44
Page : 4
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