Noritz RB-510 Recess Box for NR501-OD, NR662-OD, NRC661-OD, and NRC711-OD

Increase the square footage in your home, and install your tankless water heater in an aesthetic and protective RB-510 recess box. For outdoor installation only, the RB-510 allows a ventilation free install, while essentially hiding the unit within your exterior wall. Compatible with the NR501-OD / NR662-OD / NRC661-OD / NRC711-OD tankless water heater