Diagram showing various motor options  

Key:

A - Dimensions and type of hob
B - Height Between Hob and Extractor
C - Minimum Ceiling Height 200mm
D - Round top or square outlet on left / right side
E - Estimated length of ducting, min dia 150mm
F - Wall mounted external motor
G - Pitched roof external motor
H - Flat roof external motor
 I  - In-Line external motor

	Exterior Wall Motors (Fig F)
	In-Line Motors (Fig I)
	Flat Roof Motors (Fig H)
	Pitched Roof Motors (Fig G)