Intergas Heating Ltd 28
8.5.3 Length flue pipe and air inlet
The following lengths (L = meters) for the combustion system are valid:
HRE 24/18
C13(1) C33(2) C13(1) C33(2) C53(3) C33(4)
60/100 60/100 Twin-80
60/100
L1
60
L2
60/100
L1
80
L2
L L L L
9.7 10 21.3 21.3 6 1 9 1
1 10 1 30
8.5.4 Horizontal flue system
The 60/100 mm horizontal flue system may be extended up to a maximum length as
mentioned in the table above. For every bend used the following flue length reductions apply: -
45° bend = 1 metre and for a 90° bend this is 1.5 metres.
CAUTION
Only an Intergas approved flue is to be used with this product.
Failure to comply with this requirement will invalidate your
guarantee and may lead to a dangerous situation!
The horizontal wall terminal must be installed level as the flue terminal already has a 3 degree
rise built in. If the use of flue extensions are needed then they must be fitted with a 3 degree
fall back to the boiler and have a bracket fitted ever meter to support the flue. Best
recommended position of the bracket is just before the joint.
8.5.5 Vertical flue system
A vertical 60/100 mm flue kit is also available, which can be extended up to a maximum of 10
metres, excluding the initial boiler connection, using additional components available from the
supplier of your boiler or Intergas stockist.
The vertical flue system contains a flue adapter concentric 60/100 to replace the standard
adapter on the boiler.
Please note that the terminal is suitable for a flat or pitched roof and only approved Intergas
flue products can be used with this boiler.
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