Previous Name : NR981-DVC-LP
Residential or Commercial | Residential | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Installation Location | Indoor Only | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Exhaust Type | Concentric Pipes | ![Exhaust Type - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Max Flow Rate | 9.8 GPM | ![Flow - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Flow Rate @ 50°F Rise | 6.7 GPM | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Flow Rate @ 80°F Rise | 4.2 GPM | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Temperature Range | 100°F - 140°F | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Production Status | Active | ![Production Status - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Condensing | No | ![Condensing - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Minimum Activation Flow Rate | 0.5 | ![Min Activation Flow - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Water Quality | Treatment May Be Necessary | ![Water Quality - Click for more](/images/attachment.png) | ![Water Quality 2 - Click for more](/images/attachment.png) |
Freeze Protection | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Freeze Protection Rating - Indoor Temp | -30°F | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Freeze Protection Rating - Outdoor Temp | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Recirculation Compatible? | Yes | ![](/images/spacer.gif) | ![Recirculation - Click for more](/images/attachment.png) |
New Generation Model Number | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Previous Name | NR981-DVC-LP | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Available Temperature Settings (with remote) | 100, 105, 110, 115, 120, 125, 130, 135, 140°F | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Default Temperature Setting (without remote) | 120°F | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Default Temperature Program Setting Options (without remote) | 120, 125, 130, 140°F | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Production Date Range | 03/16 - Present | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Min Gas Input (Btu) | 16000 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Max Gas Input (Btu) | 199900 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Height (in) | 23.6 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Width (in) | 13.8 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Depth (in) | 11.0 | ![Dimensions - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Weight (lbs) | 58 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Thermal Efficiency | | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Energy Factor | UEF 0.82 | ![EF - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Afue | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Quick-Connect Compatible? | Yes | ![QC - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Cold Water Connection Size (in) | 3/4 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Hot Water Connection Size (in) | 3/4 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Gas Connection Size (in) | 3/4 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Power Supply | 120 VAC (60 Hz) | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Current Draw (A) | 2.3 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Exhaust Vent Diameter Requirements | 3"/5" Concentric | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Exhaust Vent Material Requirements | Category III Stainless Steel | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Max Vent Length with 1 elbow | 35’ | ![Max Vent - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Vent Termination Clearances to Any Building Opening (ft) | Below = 1’, Side = 1’, or Above = 1’ | ![Vent Termination Clearances to Any Building O](/images/attachment.png) | ![](/images/spacer.gif) |
Gas Supply Pressure Range | 8 - 14" WC | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Min Gas Line Size | 3/4" up to 60’ | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Water Pressure Rating (psi) | 15-150 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Case Clearances (in) | Top = 12", Front = 4", Sides = 2", Back = 0" | ![Case Clearance - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Combustion Air Requirements - using Indoor Air | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Combustion Air Requirements - using Outdoor Air | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Head Loss at 2 gpm | 5.5 ft of head | ![Head Loss - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Cold Connection Height | 2.2" | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Power Consumption w/out Freeze Prevention | 83 Watts | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Power Consumption w/Freeze Prevention | 193 Watts | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Flow Meter Alarm | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Service Reminder | No | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Condensate Handling Method? | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Noise Rating (dB) | Less than 60 dB | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Tested to UL Computer Controlled Safety Standards | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Flame Sensor | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
High Limit Switch | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Lightning Protection | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Overheat Cutoff Fuse | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Temperature Lockout | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Ignition Type | Direct Electronic | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Case Material | Durable Steel Casing with Polyester Coating | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Color/Finish | Beige | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Flue Collar Material | Stainless Steel | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Primary Heat Exchanger Material | Copper | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Secondary Heat Exchanger Material | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Mounting Type | Wall Hung | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Package Contents | Anchoring Screws, Owner’s Guide, Warranty, Installation Manual | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Water Holding Capacity | 0.2 gallons | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Keypad/Thermostat Display | Built-in | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Compatible Remote Controller Part # | RC-7651M (Optional: RC-9018M) | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Isolator Valve Part # | IK-WV-200-1-xx | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Freeze Protection | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Freeze Protection Kit Accessory | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Outdoor Vent Cap Part # | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Pipe Cover Part # | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Recess Box Part # | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
High Elevation Adjustment | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Quick-Connect Cord Part # | QC-2 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
System Controller Compatible? | No | ![SC - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
System Controller Part # | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Remote Controller Cord | Not Included | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Compatible Remote Controller Cord Part # | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Power Cord | Included attached | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
| | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
ENERGY STAR® Qualified | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
CSA | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Mobile Home | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
NSF | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
SCAQMD (20 ppm) | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
SCAQMD (55 ppm) | No | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
UPC | No | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Energy Guide - Est. Yearly Energy Use | 229 gallons | ![EG - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Energy Guide - Est. Yearly Operating Cost | $552 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
UPC Low Lead | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
ASME (HLW) | No | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
ASME (H) | No | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
ASME (NB) | No | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
| | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Heat Exchanger Warranty (w/out Recirculation) | 12 Years | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Heat Exchanger Warranty (w/Recirculation) | 12 Years w/Aquastat | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Residential or Commercial | Residential | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Installation Location | Indoor Only | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Exhaust Type | Concentric Pipes | ![Exhaust Type - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Max Flow Rate | 9.8 GPM | ![Flow - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Flow Rate @ 50°F Rise | 6.7 GPM | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Flow Rate @ 80°F Rise | 4.2 GPM | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Temperature Range | 100°F - 140°F | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Production Status | Active | ![Production Status - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Condensing | No | ![Condensing - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Minimum Activation Flow Rate | 0.5 | ![Min Activation Flow - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Water Quality | Treatment May Be Necessary | ![Water Quality - Click for more](/images/attachment.png) | ![Water Quality 2 - Click for more](/images/attachment.png) |
Freeze Protection | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Freeze Protection Rating - Indoor Temp | -30°F | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Freeze Protection Rating - Outdoor Temp | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Recirculation Compatible? | Yes | ![](/images/spacer.gif) | ![Recirculation - Click for more](/images/attachment.png) |
New Generation Model Number | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Previous Name | NR981-DVC-LP | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Available Temperature Settings (with remote) | 100, 105, 110, 115, 120, 125, 130, 135, 140°F | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Default Temperature Setting (without remote) | 120°F | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Default Temperature Program Setting Options (without remote) | 120, 125, 130, 140°F | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Production Date Range | 03/16 - Present | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Min Gas Input (Btu) | 16000 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Max Gas Input (Btu) | 199900 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Height (in) | 23.6 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Width (in) | 13.8 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Depth (in) | 11.0 | ![Dimensions - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Weight (lbs) | 58 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Thermal Efficiency | | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Energy Factor | UEF 0.82 | ![EF - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Afue | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Quick-Connect Compatible? | Yes | ![QC - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Cold Water Connection Size (in) | 3/4 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Hot Water Connection Size (in) | 3/4 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Gas Connection Size (in) | 3/4 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Power Supply | 120 VAC (60 Hz) | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Current Draw (A) | 2.3 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Exhaust Vent Diameter Requirements | 3"/5" Concentric | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Exhaust Vent Material Requirements | Category III Stainless Steel | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Max Vent Length with 1 elbow | 35’ | ![Max Vent - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Vent Termination Clearances to Any Building Opening (ft) | Below = 1’, Side = 1’, or Above = 1’ | ![Vent Termination Clearances to Any Building O](/images/attachment.png) | ![](/images/spacer.gif) |
Gas Supply Pressure Range | 8 - 14" WC | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Min Gas Line Size | 3/4" up to 60’ | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Water Pressure Rating (psi) | 15-150 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Case Clearances (in) | Top = 12", Front = 4", Sides = 2", Back = 0" | ![Case Clearance - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Combustion Air Requirements - using Indoor Air | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Combustion Air Requirements - using Outdoor Air | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Head Loss at 2 gpm | 5.5 ft of head | ![Head Loss - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Cold Connection Height | 2.2" | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Power Consumption w/out Freeze Prevention | 83 Watts | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Power Consumption w/Freeze Prevention | 193 Watts | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Flow Meter Alarm | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Service Reminder | No | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Condensate Handling Method? | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Noise Rating (dB) | Less than 60 dB | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Tested to UL Computer Controlled Safety Standards | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Flame Sensor | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
High Limit Switch | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Lightning Protection | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Overheat Cutoff Fuse | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Temperature Lockout | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Ignition Type | Direct Electronic | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Case Material | Durable Steel Casing with Polyester Coating | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Color/Finish | Beige | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Flue Collar Material | Stainless Steel | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Primary Heat Exchanger Material | Copper | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Secondary Heat Exchanger Material | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Mounting Type | Wall Hung | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Package Contents | Anchoring Screws, Owner’s Guide, Warranty, Installation Manual | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Water Holding Capacity | 0.2 gallons | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Keypad/Thermostat Display | Built-in | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Compatible Remote Controller Part # | RC-7651M (Optional: RC-9018M) | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Isolator Valve Part # | IK-WV-200-1-xx | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Freeze Protection | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Freeze Protection Kit Accessory | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Outdoor Vent Cap Part # | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Pipe Cover Part # | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Recess Box Part # | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
High Elevation Adjustment | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Quick-Connect Cord Part # | QC-2 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
System Controller Compatible? | No | ![SC - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
System Controller Part # | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Remote Controller Cord | Not Included | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Compatible Remote Controller Cord Part # | N/A | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Power Cord | Included attached | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
| | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
ENERGY STAR® Qualified | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
CSA | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Mobile Home | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
NSF | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
SCAQMD (20 ppm) | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
SCAQMD (55 ppm) | No | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
UPC | No | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Energy Guide - Est. Yearly Energy Use | 229 gallons | ![EG - Click for more](/images/attachment.png) | ![](/images/spacer.gif) |
Energy Guide - Est. Yearly Operating Cost | $552 | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
UPC Low Lead | Yes | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
ASME (HLW) | No | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
ASME (H) | No | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
ASME (NB) | No | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
| | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Heat Exchanger Warranty (w/out Recirculation) | 12 Years | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
Heat Exchanger Warranty (w/Recirculation) | 12 Years w/Aquastat | ![](/images/spacer.gif) | ![](/images/spacer.gif) |
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