3
Recess Box Part Number RGBCTWHRX
For Use with Rinnai Tankless
Water Heater Models:
Item # Item Qty
Recess Box
1
Front Door Panel
1
Vent Bracket
1
Vent Cap
1
8-32 Lock Nut with Washer 3
10-32 Lock Nut 3
Locking Bracket 1
Installaon Instrucons (this document) 1
• Standard plumbing tools, such as pliers, pipe wrenches and screwdrivers
• Isolaon Valve Kit
• Sealant and Caulk Gun
• Drill (for drilling the piping connecons)
• Screws (galvanized or stainless steel to secure the recess box to the building structure)
• Phillips Head Screwdriver
Before installaon, please make sure all parts are located inside the product box.
WARNING
• Failure to correctly assemble the components according to these instrucons may result in electric shock, injury,
or death.
• A trained and qualied professional must install and inspect the recess box before use.
• Warranty will be voided due to any improper installaon.
• For outdoor installaon only.
• Make sure the recess box is accessible for servicing and maintenance of the water heater.
• RX199i (REU-NB3237FF-US)
• RX180i (REU-NB2934FF-US)
• RX160i (REU-NB2530FF-US)
• RX130i (REU-NB2024FF-US)
• RXP199i (REU-NBP3237FF-US)
• RXP160i (REU-NBP2530FF-US)
• CX199i (REU-NB3237FFC-US)
• CX160i (REU-NB2530FFC-US)
• CXP199i (REU-NBP3237FFC-US)
• CXP160i (REU-NBP2530FFC-US)
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