Tankless Water Heaters - Noritz Indoor Wall Mounted Water Heater - N-0931M-DV-ASME-NG - 4" Direct Venting - Natural GasThis product model changed to model NC250-DV-ASME-NG For the first time Noritz is offering true commercial grade components and materials inside and out. A re-engineered heat exchanger and industry first dual flame burner boost the heater's power, while lowering minimum flow requirements. To help ensure the longevity of its performance, the heater's commercial grade components are enclosed with a corrosion-free stainless steel exterior casing, giving the look and feel of other professional grade equipment. The N-0931M-DV-ASME-NG Tankless Water Heater are indoor unit with direct venting. Available in Natural Gas (NG) models, this 0931 Series ASME Tankless Water Heater is ideal for commercial businesses such as restaurants and hair salons that have contaminants in the air. 
| Noritz Tankless Water Heater N-0931M-DV-ASME-NG - Specifications |
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| Model Name | N-0931M-DV-ASME |
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| 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. |
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| Temperature Settings (Deg) | 100-150 F (In 5 F intervals),160, 170, 180 F (In 10 F intervals) (14 Options) |
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| Default Temperature Options (Deg) | 120,130,140,180 F (Original is 120 F) |
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| Type | Installation | Indoor, Wall Mounted |
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| Air Supply/Exhaust | Direct Vent (Sealed Combustion) | | Connection Sizes | Water Inlet | 3/4" |
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| Hot Water Outlet | 3/4" | | Gas Inlet | 3/4" | | Power Supply | Supply | 120 VAC (60Hz) |
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| Consumption | 115W Freeze Prevention 250W | | Materials | Casing | Stainless Steel |
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| Flue Collar | Stainless Steel | | Heat Exchanger | Copper Sheeting, Copper Tubing | | Ignition | Direct Ignition |
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| Operating Pressure | 15-150 psi |
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| Minimum Flow Rate | 0.5 GPM |
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| Dimensions | 24.4"H x 18.4"W x 9.4"D |
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| Weight | 62 lbs. |
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| Water Holding Capacity | 0.3 Gallon |
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| Safety Devices | Flame Rod, Thermal Fuse, Pressure Relief Valve, Lightning Protection Device (ZNR), Overheat Prevention Device, Freezing Prevention Device, Fan Rotation Detector |
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| Accessories | Remote Controller, Remote Controller Cord, Anchoring Screws |
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Noritz Tankless Water Heater Features: - Available in Natural Gas (NG) model.
- Thermal Efficiency: 84%
- Dual flame burner - Noritz exclusive! Minimizes temperature fluctuations.
- 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-SUS)
- Remote controller outdoor junction box (#RC-OJB)
- Scale Shield (#SS-HB-2)
- Quick-connect cable (#QC-1)
- Multi-system controller (#SC-201-6M, -12M, -24M)
 |  | |  |  | | Before Installation | After Installation | | Before Installation | After Installation |
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