Keston Thermomatic RSM20/FB, Installation & Servicing Instructions Manual, Page: 9 / 46

Page 9
Fig. 3.4 DOMESTIC HOT WATER SUPPLY
3.4 FLUE SYSTEM
3.4.1 The standard balanced flue system can be
directed to the right, left or rear of the appliance.
3.4.2 As supplied, the standard horizontal flue assembly
will cover a distance of up to 910 mm from the centre
line of (he appliance for side flues. for rear flues, a wall
thickness of up to 800mm can be accommodated. Both
dimensions are to the outside wall face.
An optional 1m extension flue system kit (Pan No
R3000050) is available which allows the maximum
lengths to be increased to 1840 mm and 1730 mm
respectively.
An optional 2m extension flue system kit (Pan No
R3000014) is available which allows the maximum
lengths to be increased lo 2840 and 2730 respective-
ly
3.4.4 If a vertical flue is required an optional vertical
flue system kit (Part No R3000030) is available
which replaces the standard 1m horizontal Hue
assembly supplied. The vertical flue assembly will
cover a distance of up to 1m from the top of the
boiler flue hood to the end of the air pipe and comes
complete with a terminal rain hood.
Optional extension flue system kits are available to
allow the maximum vertical lengths lo be increased
lo 1975mm (Part No 3OO0050) or 2975mm (Part No
3000014).
Fig. 3.5 STANDARD HORIZONTAL FLUE SYSTEM KIT COMPONENTS
Fig. 3.6
OPTIONAL HORIZONTAL
EXTENSION FLUE
SYSTEM KIT COMPONENTS