Spec Sheet

• Made of powder coated steel for use with
outdoor (-OD) models
• Outdoor installation eliminates venting while
creating a clean installation
• Installating outdoors will provide more square
footage within a home
• CSA-approved design that is designed to be
mounted in a wall cavity and rated for zero
clearance to combustibles*
Installation Example
NORITZ AMERICA CORPORATION
11160 Grace Avenue, Fountain Valley, CA 92708 Tel. 1-866-7NORITZ www.noritz.com
Rev. 5/12
NR981-OD
Recess Box Models
Recess Box - Standard (#RB-700-1)
• For Outdoor Models
*This accessory is rated for zero clearance to combustibles.
In order to perform necessary maintenance on the water
heater, 2’ of clearance is recommended from the front of the
recess box.
Tankless Water Heater Accessories
Specification Sheet
RB-700-1 Recess Box
(For Model NR981-OD, and NC1991-OD)
Dimensions
14x 3.0
14x 0.6
23.3
14.4
16.5
40.9
10.1
39.3
14.3
0.6
12.6
NC1991-OD
4.8