Installation Sheet

Rinnai Tankless Water Heater Installaon and Operaon Manual 9
2.6 Dimensions
Internal (Indoor) Models (CU199i and CU160i)
Front Panel View
Side Panel View
External (Outdoor) Models (CU199e and CU160e)
Front Panel View
Side Panel View
Vent Connecon:
2 in. (51 mm) nominal
PVC/Polypropylene or
3 in./5 in. Concentric.
Measurements: in. (mm)