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idealheating.com
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welcome to our ideology
SYSTEM CONFIGURATIONS
The Multiline Flue Cascade is one of the latest additions to the flue accessory range from Ideal,
designed specifically for the Evomax 2 range. Available for installations up to 600kW as both a
starter kit and extension pack the Multiline system enables Evomax 2 boilers installed as open
flue to be connected via a common flue header. This creates a single flue connection point for
a flue specialist to design to knowing that the boiler installation is efficient and safe.
The Cascade flue system is supplied in two kits. A Starter Kit & an Extension Kit.
Wire retaining clips are also provided to prevent movement of the tube connections
due to expansion and contraction. These must be fitted to the ductwork to ensure safe
operation of the system.
• Simple system ordering with a
starter kit and extension kits
• Starter kit includes, appliance
connection, non-return flue
damper, condensate tee and trap
and all clips to secure the flue
• Extension pack includes appliance
connection, non-return flue
damper, and all clips to secure the
flue
• Available for both 80/125 & 100/150
flue adaptor applications
• For installations up to 600kW
• Type B23 flue
• Designed specifically to work
efficiently with Evomax 2 boilers
with commissioning simply
completed by selecting Multiline
flue from the installer set up menu
• The perfect addition for Evomax 2
installations using either the
standard height or low frame and
header kits
PRODUCTS
STARTER KIT
EXTENSION KIT
1
End Cap
R
2
Siphon / Condensate trap
R
3
Collector Pipe (200 dia)
R
R
4
Elbow (90 x 100)
R
R
5
Expander (80/125 flue adaptor kits only)
R
R
6
Flue Extension Tube (80 or 100)
R
R
7
Air Intake Grill
R
R
OPTION
GAS TYPE
EVOMAX MODELS
MAX NUMBER
OF BOILERS
MAX SYSTEM
CAPACITY
1
Natural gas
Combinations of 100,
120, 150
6
600kW
2
Combinations
that include a
30, 40, 60 or 80
6
400kW
3
Propane
Combinations of 100P
or 120P
6
600kW
4
Combinations of
30P, 40P, 60P, 80P
6
400kW
MULTILINE CASCADE
OPERATION
1
2
3
4
5
6
7
EXAMPLE 3 (OPEN FLUE)
EXAMPLE 4 (CONCENTRIC)
OPEN FLUE FOR EVOMAX 2 30
Resistance (m)
Flue Size
80
Max permissible flue run
65
2 x 45˚ elbow
2 x 0.45 = 0.9
Total Flue Resistance
65 - 0.9 = 64.1
HORIZONTAL FLUE FOR EVOMAX 2 120
Resistance (m)
Flue Size
100/150
Max permissible flue run
9
2 x 90˚ elbow
2 x 1.9 = 3.8
Total Flue Resistance
9 - 3.8 = 5.2
b
9
5
3
5-
0
1
2
6
0
2
EXAMPLE 2 (CONCENTRIC)
VERTICAL FLUE FOR EVOMAX 2 80
Resistance (m)
Flue Size
80/125
Max permissible flue run
10
2 x 45˚
2 x 0.85 = 1.7
Total Flue Resistance
10 - 1.7 = 8.3
