Installation Sheet

36 Rinnai Tankless Water Heater Installaon and Operaon Manual
Remove and discard screw from combuson air
vent connecon.
Remove and discard the combuson air
vent cap.
Install the combuson air vent pipe. Ensure it is properly seated.
Secure the combuson air vent pipe to the
combuson air vent connecon with the
supplied screw.
Place the vent screen or room air screen inside
elbow and secure with the supplied screw. Use
the room air screen for environments where
room air is dusty.
Note:
• 2 in. vent screen supplied with water heater.
• Room air screen is available as an accessory.
Glue elbow to the combuson air PVC vent pipe
per manufacturer’s instrucons.
Install the exhaust vent pipe. Ensure it is
properly seated.
Secure the exhaust vent pipe to the exhaust
adapter ring with the supplied screw.
Combuson Air Vent Pipe
Supplied
screw
Supplied screw
Supplied screw
Exhaust Vent Pipe
Non-Direct Vent (Room Air) Installaon Instrucons
Non-Direct Vent (Room Air)
2
1
2
3
4
5
Elbow
Vent
Screen