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Direct vent
Roof
3 inch vent installation
3" straight pipe
3" coupling
(included)
Intake vent collar
(Female)
* 3" elbow with
bird screen
Intake vent collar
(Female)
*The bird screen that fits into the 3 inch elbow is supplied with the indoor water heater.
4 inch vent installation
4" straight
pipe
3"x4" increaser
Intake vent collar
(Female)
* 3" elbow with
bird screen
Intake vent collar
(Female)
*The bird screen that fits into the 3 inch elbow is supplied with the indoor water heater.
Vertical installation
Roof flashing
Fire stop
Vent connections for direct vent
1. Connect 3" couplings directly on the exhaust and
3" straight pipe
3" coupling
(included)
Exhaust vent
2. Connect 3" straight pipes to the couplings.
collar (Female)
Vent connections for single vent
1. Connect a 3" elbow directly on the intake vent
3" straight pipe
2. Connect a 3" coupling directly on the exhaust vent
3" coupling
(included)
Exhaust vent
collar (Female)
3. Connect a 3" straight pipe to the coupling.
Vent connections for direct vent
1. Connect 3"x4" increasers directly on the exhaust
4" straight
pipe
3"x4"
increaser
2. Connect 4" straight pipes to the increasers.
Exhaust vent
collar (Female)
Vent connections for single vent
1. Connect a 3" elbow directly on the intake vent col-
4" straight pipe
2. Connect a 3"x4" increaser directly on the exhaust
3"x4" increaser
Exhaust vent
collar (Female)
3. Connect a 4" straight pipe to the increaser.
21
Single vent with room-air intake
Roof
intake vent collar of the water heater. Make sure
the couplings engage the o-rings installed in the
intake and exhaust vent collars.
collar of the water heater.
collar of the water heater. Make sure the couplings
engage the o-rings installed in the intake and
exhaust vent collars.
and intake vent collar of the water heater. Make
sure the couplings engage the o-rings installed in
the intake and exhaust vent collars.
lar of the water heater.
vent collar of the water heater. Make sure the
couplings engage the o-rings installed in the intake
and exhaust vent collars.
Page
Installation Manual
Installation
Roof flashing
Fire stop
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