User Guide

21 Page
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.
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.
Vent connections for single vent
*The bird screen that fits into the 3 inch elbow is supplied with the indoor water heater.
*The bird screen that fits into the 3 inch elbow is supplied with the indoor water heater.
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 col-
lar 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 direct vent
Vent connections for single vent
4inchventinstallaon
Vent connections for direct vent
Exhaust vent
collar (Female)
3" straight pipe
3" coupling
(included)
Intake vent collar
(Female)
3" straight pipe
3" coupling
(included)
Roof
Roof flashing
Fire stop
Direct vent
Roof flashing
Fire stop
Roof
Single vent with room-air intake
Vertical installation
3" coupling
(included)
3" straight pipe
Exhaust vent
collar (Female)
* 3" elbow with
bird screen
Intake vent collar
(Female)
Installaon
Installaon Manual