John Wood Takagi - 240H-340H-540H - Manual (Page 17)

17
Page
-Stainless steel Vent Illustrations-
<How to install stainless steel venting>
• Regarding the clearances from the exhaust terminal to the air inlet or opening, refer to the
next few pages.
• Follow all vent system manufacturer’s instructions and all local codes.
• Do not common vent or connect any vent from other appliances to these models vent.
• Use 102 mm (4”) Category III/IV approved or Special BH, single or double wall stainless steel
vent pipe.
Horizontal Installation Diagram
Wall
Sidewall Vent
Terminator
Vertical Installation Diagram
Roof
Roof
Flashing
Fire stop
Rain Cap
102 mm (4") vent connection Diagram
Connect a 102 mm (4") stainless
steel vent straight pipe directly on the
exhaust and intake vent collar of the
water heater.
102 mm (4”) stainless
steel vent straight pipe
Exhaust vent collar
(Female)
Intake vent collar
(Female)
102 mm (4”)
stainless steel
vent straight
pipe
Diameter Max. No. of Elbows Max. Vertical and Horizontal (Total) Vent Length
102 mm (4 in.) 5 30.5 m (100 ft.)
*For each elbow added, deduct 1.5 m (5 ft.) from max. vent length.
No. of Elbows Max. Vertical or Horizontal Vent Length
0 30.5 m (100 ft.)
1 29.0 m (95 ft.)
2 27.4 m (90 ft.)
5 22.9 m (75 ft.)
Excludes vent terminators, termination elbows, or rain caps.
Installation
Installation Manual