7057-143A • 20 August, 2018
Heatilator EcoChoice WS22
36
www.heatilator.com
H. Tested Flue Systems
12
ADD Cowl
Casing Cover
Spider Bracket
oversized casing cover
is necessary
minimum 25mm gap
between flue pipe casing &
combustible material
Non combustible material
Hebel block or 12mm
Promina board or similar
under the flashing
25
25
Approved Flashing
Roof Line
Inner Casing 200mm
above roof line
Outer Casing
Inner Casing
25
Internal Swage
25
25
12.5
Vented
Ceiling Plate
Flue Pipe
CL
C L
Floor
Protector
, as per AS/NZS 2918:2001
Figure 36.1