Tankless Water Heaters - Noritz Residential Tankless Water Heater - NR111-DV-NG - Indoor, 4" Direct Venting - Natural Gas
Noritz NR111-DV-NG Residential Tankless Water Heater can provide endless hot water for up to 4+ showers. With its Quick-Connect system, two identical heaters can be connected to meet the high demand of today's luxury homes. To accommodate the higher flow rate demand, these units have a dual flame burner, a redesigned heat exchanger and 25% thicker copper piping. No other tankless water heater in its class can beat its performance, dependability, and quality. Built-in features include safety lock-out, freeze protection, and high elevation adjustment. Available in Natural Gas models, the 0931 Series Water Heater is for indoor use with direct venting.

| Noritz Tankless Water Heater NR111-DV-NG - Specifications |
| Model Name | NR111-DV-NG |
| Gas Type | Natural Gas |
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| Gas Consumption | Max:250,000 BTU/Hr - Min:11,000 BTU/Hr |
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| Thermal Efficiency | 84% |
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| Maximum Hot Water Capacity | 45 degree F Rise | 9.3 Gal./min. |
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| Capacity Range | 0.5-11.1 Gal./min. |
| Temperature Settings (Deg) | 100-150 F (In 5 F intervals), 160, 170, 180 F (In 10 F intervals) (14 Options) |
| Default Temperature Options (Deg) | 120,130,140,180 F (Original is 120 F) |
| Type | Installation | Indoor Wall Hanging |
| Air Supply/Exhaust | Power Vented |
| Connection Sizes | Water Inlet | 3/4" |
| Hot Water Outlet | 3/4" |
| Gas Inlet | 3/4" |
| Power Supply | Supply | 120 VAC (60Hz) |
| Consumption | 115W Freeze Prevention 250W |
| Materials | Casing | Zincified Steel Plate/Polyester Coating |
| Flue Collar | Stainless Steel |
| Heat Exchanger | Copper Sheeting, Copper Tubing |
| Ignition | Direct Ignition |
| Operating Pressure | 15-150 psi |
| Minimum Flow Rate | 0.5 GPM |
| Dimensions | 24.2"H x 18.3"W x 9.4"D |
| Weight | 62 lbs. |
| Water Holding Capacity | 0.3 Gallon |
| Safety Devices | Flame Rod, Thermal Fuse, Pressure Relief Valve, Lightning Protection Device (ZNR), Electric Leakage Prevention Device (GFCI), Overheat Prevention Device, Freezing Prevention Device, Fan Rotation Detector |
| Accessories | Remote Controller, Remote Controller Cord, Anchoring Screws |
Noritz Tankless Water Heater Features:
- Safety lock out - Default max. 120 degrees (refer to owner's manual for higher temp)
- Dual flame burner - Noritz exclusive! Minimizes temperature fluctuations.
- Fully modulating - Automatically adjusts burner level accordingly.
- Turbo Flow - Up to 11.1 GPM @ 35 degree temperature rise (9.3 GPM @ 45 degree rise).
- Quick Connect - Doubles the output by connecting two identical heaters.
- Direct ignition - No standby pilot light.
- Thermal fuse - Automatic overheat protection system.
- Resin coated PC board - Increases durability and protection from elements.
- Automatic air regulator - Monitors internal temperature/maximizes burner efficiency.
- Fully modulating - Automatically adjusts burner level accordingly.
- Commercial grade heat exchanger - 25% thicker piping than our competition.
- Available in Natural Gas (NG) Gas models.
- Temperature Settings: 100-180 degree F (14 options)
- Thermal efficiency for all models: 84%
- Self-diagnostic onboard computer system
- Battery back-up compatible
- Recirculation compatible
- Digital remote included
- WARNING!!! PVC cannot be used for venting. Use only Category III (4" stainless steel venting).
Noritz Tankless Water Heater Accessories:
- Isolation valves (#IK-WV-5)
- Pipe cover (#PC-3S)
- Remote controller outdoor junction box (#RC-OJB)
- Scale Shield (#SS-HB-2)
- Quick-connect cable (#QC-1)
