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3.4.6 Horizontal Wall Vent Termination type C11
Flue sizing and regulations.
Lenga 500
• Ø100/150 Connector on appliance.
• Ø100/150 to be used throughout.
• Maximum horizontal length is 3 meters.
• Minimum vertical length directly on appliance is 1 meter.
• Maximum pipe extension for outside wall (H) is 2 x vertical pipe rise (V).
• Maximum length of the entire system (excl. outlet terminal) is 10 meters.
• Flue Terminal: Ø100/150 Part No. INK.4330
Lenga 800
• Ø130/200 Connector on appliance.
• Ø130/200 to be used throughout.
• Do NOT reduce to 100/150.
• Maximum horizontal length is 3 meters.
• Minimum vertical length directly on appliance is 1 meter.
• Maximum pipe extension for outside wall (H) is 4 x vertical pipe rise (V).
• Maximum length of the entire system (excl. outlet terminal) is 10 meters.
• Flue Terminal: Ø130/200 Part No. INK.4430
3.4.7 Vertical Roof Vent Termination type C31
Flue sizing and regulations.
Lenga 500
• Ø100/150 Connector on appliance.
• Ø100/150 to be used throughout.
• Maximum horizontal length is 3 meters.
• Minimum vertical length directly on appliance is 1 meter.
• Maximum length of the entire system (excl. outlet terminal) is 10 meters.
• Flue Terminal: Ø100/150 Part No. INK.4335
Lenga 800
• Ø130/200 Connector on appliance.
• Ø130/200 to be used throughout.
• Reducing to 100/150 is allowed if the fl ue run is entirely vertical with a maximum length of 10 meters. The fi rst
meter needs to be 130/200.
• Reducing to 100/150 is allowed when the fl ue run has elbows in it, but only at the very last moment just
before the roof outlet.
• Maximum horizontal length is 3 meters.
• Minimum vertical length directly on appliance is 1 meter.
• Maximum length of the entire system (excl. outlet terminal) is 10 meters.
• Reducer Ø130/200 > 100/150 Part No. INK.4490
• Flue Terminal: Ø100/150 Part No. INK.4430
3.4.8 Flue restrictors to be fi tted
The restrictor can be installed with the pre-installed M5x20 bolts
Lenga 500
Wall terminal:
• Ø100/150, vertical rise 1 meter, no restrictor
• Ø100/150, vertical rise > 1 meter, 35 mm restrictor
Roof terminal:
• Ø100/150, vertical rise < 2 meter, 35 mm restrictor
• Ø100/150, vertical rise > 2 meter, 60 mm restrictor
