Noritz NR66-OD Instructional Manual

NR50, NR66 and NR71 Series Heat Exchanger
Replacement
Models Include: NR50-OD
N-0531S, N-0531S-OD, NR66-SV, NR66-OD
N-0631S, N-0631S-OD, NR71-SV, NR71-OD
This instructional manual is only intended for use by a qualified service professional or authorized Noritz
Service Representative. Any unauthorized use of this manual may result in voiding the warranty.
Please contact Noritz Technical Support (866-766-7489) for additional support.
Noritz America Corporation
11160 Grace Avenue, Fountain Valley, CA 92708
Phone 866-766-7489 Fax 714-241-1196
Page 1

Noritz NR66-OD Specifications

General

Type	Tankless Water Heater
Flow Rate	6.6 GPM
GPM at 35°F Rise	6.6 GPM
GPM at 45°F Rise	5.1 GPM
GPM at 77°F Rise	3.0 GPM
Gas Type	Natural Gas
Energy Factor	0.82
Temperature Range	100°F - 140°F
Electrical Requirements	120V
Venting	Direct Vent