Product Overview
7 8
2” (60 mm) 4” (110 mm)
3” (80 mm)
Z-DENS Flexible Chimney Kits
• Available in 25’ & 35’ lengths
The flexible polypropylene vent system
is specifically designed for connection
to condensing gas or oil fired heating
appliances with a maximum flue
temperature of 230°F (110°C)
Specifications:
• Made from fire retardant polypropylene
• Resistant up to max flue temperature of 248°F (120° C)
• Operates in negative and positive pressure modes
• Pressure tested to 20” WC (5000 pa, level H1)
• Chimney termination is UV resistant, flexible is not UV resistant
• Designed as a vertical flue system installation but is safe to
run at angles up to 45° from vertical
• Available in white
Simple installation is ensured because:
• Flexible pipe can be cut to length on site
• Coupling connectors allow easy joining of shorter lengths
which can virtually eliminate waste
• Lightweight flue system for ease of installation
• Compact packaging due to its great flexibility
• Wide range of accessories
Installation
The installation manual of Z-DENS Flexible shows just how simple it
is to assemble and install the flexible vent system.
Z-DENS Flexible installation instructions are available in the
download section of our website at www.z-flex.com.
Z-DENS Flexible
This flexible flue system is available in 3 diameters:
Nominal diameter
2” (Ø 60) 3” (Ø 80 ) 4” (Ø 110)
Z-DENS
Flexible
Extension
Kit.
Available
in 10’
length










