Balanced Flue Instructions

17
3C. Top Flue Up and Out
with Additional Bend
3.11 An additional bend can be used on the horizontal section
(45° or 90°) but the overall horizontal flue is reduced,
see Diagram 5.
All Models
When A = 1.0 to 1.499 metres
B+C = 1.0 metre max
(No restrictor)
Small & Midi only
When A = 1.499 to 3.0 metres
B+C = 4.0 metres max
(75mm diameter restrictor)
Medium only
When A = 1.499 to 3.0 metres
B+C = 2.0 - 4.0 metres max
Nat Gas
(70mm diameter restrictor)
LPG
(No restrictor)
A
C
B
Either 45° or 90°
90°
5
3D Top Flue Vertical Kit
(999-539/999-539AN)
3.12 This flue is vertical from the top of the appliance, see
Diagram 6. A minimum vertical rise of 3m (9’10”) to a
maximum of 10m (32’10”).
The basic kit comprises:
2 x 1m lengths
1 x 1m terminal lengths
1 x 52mm restrictor (sliding plate assembly)
1 x 47mm restrictor (sliding plate assembly)
ALL MODELS
3.13 Extra lengths can be added, see Diagram 6.
3.14 Refer to Installation Instructions, Technical Specification to
identify when to use a restrictor.
6
3E Top Flue Vertical Offset Kit
(8530/8530AN)
3.15 Used with kit 999-539. A minimum rise of 500mm (19½) is
required to the first bend, see Diagram 6.
4. Optional Extra Flue Lengths and Bends
Nominal
Length
Actual
Length
Stainless
Finish
Anthracite
Finish
200mm 140mm 8527 8527AN
500mm 440mm 8528 8528AN
1000mm 940mm 8529 8529AN
45° Bend N/A 8507 8507AN
90° Bend N/A 8508 8508AN
Optional Flue Collar 8548MB
Installation Instructions
Site Requirements