Installation Guide

6 Rinnai Tankless Water Heater Installaon and Operaon Manual
Unpack the Rinnai Tankless Water Heater package and verify the following contents are included. If any items are
missing, contact your local dealer/distributor or call Rinnai Customer Care at 1-800-621-9419.
Rinnai Tankless Water Heater
Wall Mounng Bracket (for internal/indoor water heaters only)
Pressure Relief Valve and Adapter
Isolaon Valve Kit (for quick isolaon of the water heater for service and/or maintenance)
Literature Bag
Tankless Water Heater Installaon and Operaon Manual (this manual)
Wall Mounng Bracket Template (for internal/indoor water heaters only)
Model/Serial Number Labels (with printed QR code)
Controller Cable (for addional controller connecon)
Vent screens (x2) and vent screen screws (x2) (for internal/indoor water heaters only). The vent screen
prevents debris and other objects from entering the terminal. One vent screen is for the intake; the other is
for the exhaust
Self-Tapping Screws (x2) (for internal/indoor water heaters only)
2.1 Items Included
2. About the Water Heater
2.2 Items Needed for Installaon (Not Included)
2.3 Items Not Required But May Be Useful
Pipe wrenches (x2)
Phillips Head screwdriver
Wire cuers
Gloves
Safety glasses
Level
Soap or gas leak detector soluon
Approved venng
Teon tape (recommended) or pipe compound
Pipe insulaon
Hammer drill with concrete bits
Saw
Threading machine with heads and oiler
Core drill with diamond head
Torch set
Copper tubing cuer
Steel pipe cuer
Heat tape
Electrical wire
Concrete wall anchors
Oponal pipe cover
PVC glue/cement and primer
2 conductor 22 AWG wire for controller
Single gang electrical box
Wire nuts
Unions and drain valves