Takagi T-H2-DV Installation Manual And Owner's Manual page 14

(For Intake: 4" only)
1. Connect a 4" PVC Straight pipe directly on the intake vent collar of the T H2 DV.
(For Intake: 3" only)
1. Connect a 4" PVC Straight pipe directly on the intake vent collar of the T H2 DV.
2. Connect a 4x3" PVC reducer to the 4" PVC Straight pipe.
3. From the reducer, continue on the rest of the vent run with 3" PVC pipe.
4" vent connection Diagram
4" PVC Straight
pipe
Intake vent collar
Horizontal Installation Diagram
x Regarding the clearances from the exhaust terminator to the
air inlet or opening, refer to the next few pages.
x Follow all vent system manufacturer's instructions and all
local codes.
x Do not common vent or connect any vent from other
appliances to the T H2 DV vent.
x Use 4" Category III/IV approved or Special BH, single or
double wall stainless steel vent pipe.
4" PVC Straight pipe
4" PVC coupler
TH PA01 PVC adaptor*
Exhaust vent collar of
the T H2 DV (Female)
*TH PA01 PVC adaptor is included with the T H2 DV.
Stainless steel Venting Illustrations
Wall
Sidewall Vent
Terminator
14
3" vent connection Diagram
3" PVC Straight
pipe
4x3" PVC reducer
4" PVC Straight
pipe
Intake vent collar
Vertical Installation Diagram
Roof
Page
Installation
3" PVC Straight pipe
4x3" PVC reducer
TH PA01 PVC adaptor*
Exhaust vent collar of
the T H2 DV (Female)
Rain Cap
Roof Flashing
Fire stop