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Noritz RB-700-1 Recess Box for NR981-OD, NC1991-OD


Recess Box for NR981-OD / NC1991-OD

Increase the square footage in your home, and install your tankless water heater in an aesthetic and protective RB-700 recess box. For outdoor installation only, the RB-700 allows a ventilation free install, while essentially hiding the unit within your exterior wall. Compatible with the NR981-OD and NC1991 tankless water heater.

Recess Box: An exterior encasement for your outdoor tankless water heater, a recess box is built to provide adequate ventilation for your unit while protecting it from the elements and improving the finished look of the installation.


  • Hides heating unit within wall
  • Outdoor installation only
  • Protects system with a clean finished look
  • Paintable finish
  • Approved for zero clearance combustibles

Introducing the latest advancements in tankless water heater technology for your home, Noritz tankless hot water heaters are both eco-friendly and energy efficient, providing savings up to 40% in utility costs. Their gas water heaters warm water on demand, which means you'll always have hot water and it will never run out.

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