8.
Flues and Ventilation
It is advisable when installing the boiler to
use an eco hometec P.P.S. plastic
concentric flue system or the twin 60mm
tube system. This not only ensures that
there is sufficient combustion air, but also
reduces room ventilation requirements thus
increasing the number of possible suitable
locations.
The internal boiler flue system is
manufactured in stainless steel and the flue
outlet is designed to be connected to an
external P.P.S plastic flue system.
8.1
Maximum Flue Lengths
The flue materials, flue insulation, the
amount of vertical and horizontal pipe and
the amount of bends incorporated
determine the maximum permissible flue
length. The excess fan pressure available
for overcoming the frictional resistance of
the flue system is 100 p.a.
8.2
Available Flue Components
80/125 Concentric 500 mm Fanned Flue Kit
80/125 PPS/White Galvanised 90 degree elbow
80/125 PPS/White Galvanised 45 degree elbow
80/125 1000mm length PPS/White Galvanised Concentric Flue
80/125 500mm length PPS/White Galvanised Concentric Flue
80mm 1000mm PPS flue pipe
80mm PPS 45 degree PPS Elbow
80mm PPS 45 degree connector
80/125 Roof Terminal, Pitched roof tile flashing, Aluminium flat roof flashing.
80mm Wall Fixing Clamp + 125mm Wall Fixing Clamp
80mm PPS flexible flue liner (per metre)
80mm PPS flexible flue liner 360-degree spacers
80mm PPS flexible flue liner chimney terminal
80mm PPS flexible flue liner chimney terminal clamp
80mm PPS flexible flue liner boiler flue connector
A range of 60mm PPS bends, tubes and connectors
60mm Grey PPS 45 degree bend
60mm Grey PPS 90 degree bend
60mm x 500mm length PPS/Grey Flue Tube
60mm x 1000mm length PPS/Grey Flue Tube
60mm x 2000mm length PPS/Grey Flue Tube
60mm Inspection point
60mm Tee Piece
60mm Wall Bracket
60mm Wall Terminal Kit (2 wall plates and S/Steel Grid)
EC 25 Compact Technical Manual page
17
