Heatiator GB4336 owner manual Vent supports, Fire Risk Explosion Risk

Vent supports
are per vent	Metal
manufacturer’s
specifications.	Plumbers'
	Strap
Maximum horizontal run is 50% of
vertical. Horizontal run cannot be
more than 20 ft. (6.1 m).
Figure 5.2 Maximum Horizontal Run

WARNING

Fire Risk

Explosion Risk

Insulation and other combustibles must not infringe on clearances.

•ALWAYS maintain specifi ed clearances around venting and fi restop systems.

•Install fi restops as specifi ed.

Failure to keep insulation or other material away from vent pipe may cause fi re.

Maximum horizontal 20 ft (6.1 m)

45°	Offsets exceeding
Elbow
	45° adapt horizontal
90°	limitations
Elbow
	Note: Maximum horizontal
	distance is 50% of vertical
	vent height.

Note: 90-degree elbows are not allowed without a

fixed glass door. Only 45-degree elbows or less are allowed. A straight section is not reuqired before the

first elbow.

Figure 5.3 Maximum Horizontal Run

14 Heatilator • GB4336/GB4992 • 4003-085 Rev H • 04/06