Takagi T-H3S-DV - -Common-venting system-

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-Common-venng system-
The Indoor models can be vented together using the same exhaust and intake venting.
• Upto8waterheaterscanbecommon-ventedtogether.
• Anon-returnvalve(PartNo.9008847005)mustbeusedforeachwaterheaterthatispartofthesystem.
• The water heaters must all be direct-vented.
• For common-venting pieces and components, the manufacturer recommends
Centrotherm's vent line.
Typical common-vent installaon examples
Only the models listed in the table above can be common-vented together.
Different models cannot be common-vented.
CAUTION
Allowable models for common-venting
240 Indoor (T-H3J-DV)
340 Indoor (T-H3S-DV)
540Indoor(T-H3-DV)
For details on the installation of a common-vent system, please refer to the vent manufacturer's
instructions.
Installaon
Installaon Manual
Intake
wall
Exhaust
Roof
Condensate drain port
Non-Return Valve
Exhaust
wall
Roof
Intake
Non-Return Valve
Condensate drain port
Exhaust
Intake
wall
Roof
Non-Return Valve
Condensate drain port