Chimney system suitability for particular cases must be decided taking into consideration the documentation of the heating appliance manufacturer, guide for mounting chimneys and national legal acts.

1 The actual minimum distance to combustible material from the outer surface of a connecting flue pipe (for flue liners isn’t applied) must be defined according to the designation of the product, as described in their marking, and national legal acts. If the legal acts and chimney designation indicate different distances to the combustible materials it is necessary to follow a bigger distance.

Rigid Round flue liner system I-2 (with gaskets)


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System is designated to exhaust combustion products by positive pressure from heating appliances. System is being used for relining of existing chimneys.


Oil or gas fuel

Working temperature

≤ 200 °C


Stainless steel EN 1.4404

Wall thickness

When dn from 80 to 200 mm – 0.5, 0.6, 0.8, 1.0 mm
When dn from 230 to 550 mm – 0.6, 0.8, 1.0 mm

Pressure class

P1 – positive pressure

Sootfire resistance

O – not resistant

Distance to combustible materials

≥ 1001 mm

Condensate resistance

W – designated for wet operating conditions

Certificate no.


Designation code

EN 1856-2 T200-P1-W-Vm-L50050-O(100)
EN 1856-2 T200-P1-W-Vm-L50060-O(100)
EN 1856-2 T200-P1-W-Vm-L50080-O(100)
EN 1856-2 T200-P1-W-Vm-L50100-O(100)