Product Overview

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Z-DENS CONCENTRIC is precisely designed
for use with condensing gas and oil heating
appliances.
Certified to ULC S636 and CE Marked to European
standards EN 1856-1 and EN 14471.
Z-DENS CONCENTRIC, through continuous
improvement, is engineered for optimum performance.
The outer pipe is aluminum and the inner flue pipe is manufactured
with fire retardant polypropylene.
(Please Note: Z-DENS CONCENTRIC can only be selected for use
with high efficiency/condensing appliances.)
The inner pipe is centred in the outer pipe by the patented
connection (Patent number: NL C 1022411). This system is
available in concentric diameter sizes 2”/4” (60/100 mm), 3”/5”
(80/125 mm) and 4”/6” (110/160 mm). Colour of outer pipe is
white (RAL9016).
Significant Advantages
• The system is easy to assemble
• The system is particularly rigid
• It is modern in appearance
• The same system can be used indoors as well as outdoors
• Patent number: NL C 1022411
• Certified to ULC S636 Gas Vent-BH Class II C - 110°C/ 230°F
• CE Marked according the European standards EN 1856-1 and
EN 14471
Z-DENS Concentric
Z-DENS CONCENTRIC The Next Generation in Flue Systems
2”/4” | 3”/5” | 4”/6” (60/100 | 80/125 | 110/160 mm)
Z-DENS CONCENTRIC designed for use with condensing heating appliances. The system has an inner
polypropylene flue outlet pipe which is centered in the outer aluminum air intake pipe by the patented
CONNEX
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T
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-connection. The system is available in the nominal concentric measurements 2”/4”, 3”/5” and
4”/6” (60/100, 80/125 and 110/160 mm), in the colour white (RAL 9016).