Takagi T-H3M-DV - 3 inch vent installation; 4 inch vent installation

14 Page
Installaon
Installaon Manual
3inchventinstallaon
1. Connecta3"elbowdirectlyonthe
intake vent collar of the water heater.
2. Connecta3"coupling directly on the
exhaust vent collar of the water heater.
Make sure the couplings engage
the o-rings installed in the intake
and exhaust vent collars
3. Connecta3"straightpipeto
the coupling.
3"coupling
Exhaust
vent collar
(Female)
3" straight pipe
3" coupling
Intake vent
collar
(Female)
3" straight pipe
1. Connect3"couplingsdirectlyon
the exhaust and intake vent collar
of the water heater.
Make sure the couplings engage
the o-rings installed in the intake
and exhaust vent collars
2. Connect3"straightpipestothe
couplings.
For details of the optional items, refer to the Installation manual for each optional item.
Ventconnectionsfortwo-pipe
Ventconnectionsforsinglepipe
3" coupling
3" straight pipe
Exhaust
vent collar
(Female)
*3"elbowwith
birdscreen
Intake vent
collar
(Female)
*The water heater came with a metal screen
that will fit into a 3 inch elbow.
For details of the optional items, refer to the Installation manual for each optional item.
1. Connect3"x4"increasers
directly on the exhaust and intake
vent collar of the water heater.
Make sure the couplings engage
the o-rings installed in the intake
and exhaust vent collars
2. Connect4"straightpipesto
the increasers.
4" straight
pipe
3"x4" increaser
Exhaust
vent
collar
(Female)
Intake vent
collar
(Female)
4" straight
pipe
3"x4"
increaser
4" straight pipe
3"x4" increaser
Exhaust vent
collar (Female)
*3"elbowwith
birdscreen
Intake vent
collar
(Female)
1. Connecta3"elbowdirectlyonthe
intake vent collar of the water heater.
2. Connecta3"x4"increaser directly on
the exhaust vent collar of the water
heater.
Make sure the couplings engage
the o-rings installed in the intake
and exhaust vent collars
3. Connecta4"straightpipeto
the increaser.
Ventconnectionsfortwo-pipe
Ventconnectionsforsinglepipe
*The water heater came with a metal screen
that will fit into a 3 inch elbow.
4inchventinstallaon