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10 BOILER CASING REMOVAL - continued
11 DETERMINING THE FLUE LENGTH
It is MOST IMPORTANT that the boiler is installed in a vertical position.
WARNING.
For top outlet installation the flue
terminal MUST always be in the
horizontal position (not available on
125 model).
14
INSTALLATION
6. Release the screw securing the control box to the
baseplate and slide to the left to release the box.
7. Remove the 2 screws securing the top panel to the
sides.
8. Draw the top panel forward and lift it off the boiler.
9. Remove the 2 screws securing the LH side panel to
the turret front panel and baseplate.
10. Pull the panel forward, disengaging from the
collector hood tab, lift it clear of the locating peg
and remove.
11. Repeat steps 9 and 10 to remove the RH panel.
12. The boiler is held to the packaging base by 4 M6
hex head screws. Remove the front screws,
slacken the rear screws and remove the boiler from
the packaging base.
Flue length mm
100 Pack Req.
Up to 600
B, 1 off
600 to 1000
B, 1 off + D, 1 off
600 to 1550
B, 1 off + D, 1 off
1505 to 2000
B, 1 off + D, 2 off
British Gas 100 & 125 RD2 -
Top outlet flue length
= A + B + Elbow allowance
o
90
Elbow = 1m
o
45
Elbow = 0.7m
FLUE KITS
Pack B: supplied as standard.
Pack D: optional extension kit for side
flue, top or rear flue outlet. Refer to 'Flue
Extension Ducts'
1. A maximum of 2 extension ducts (plus
the standard flue duct) may be used
together for 100 or 1 extension duct
for 125.
2. Flue extensions of greater than 1m
(39") should be supported with the
bracket provided.
125 Pack Req.
Product No.
B, 1 off
150 308
B, 1 off + D, 1 off
150 308+152132
N/A
150 308+
152132, 1 off
N/A
150 308+
152132, 2 off
Installation & Servicing
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