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Previous Name : N-1321M-ASME-NG
Residential or Commercial Commercial
Installation Location Indoor or Outdoor with Vent Cap
Exhaust Type Single Vent
Max Flow Rate 13.2 GPM
Flow Rate @ 50°F Rise 12.5 GPM
Flow Rate @ 80°F Rise 7.8 GPM
Temperature Range 100°F - 180°F
Production Status Active
Condensing No
Minimum Activation Flow Rate 0.7
Water Quality Treatment May Be Necessary
Freeze Protection Yes
Freeze Protection Rating - Indoor Temp -30°F
Freeze Protection Rating - Outdoor Temp -4°F
Recirculation Compatible? Yes
New Generation Model Number N/A
Previous Name N-1321M-ASME-NG
Available Temperature Settings (with remote) 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150, 160, 170, 180°F
Default Temperature Setting (without remote) 120°F
Default Temperature Program Setting Options (without remote) 120, 130, 140, 180°F
Production Date Range 10/2007 - Present
Min Gas Input (Btu) 22500
Max Gas Input (Btu) 380000
Height (in) 29.7
Width (in) 19.1
Depth (in) 11.8
Weight (lbs) 106
Thermal Efficiency 80%
Energy Factor N/A
Afue N/A
Quick-Connect Compatible? Yes
Cold Water Connection Size (in) 1
Hot Water Connection Size (in) 1
Gas Connection Size (in) 3/4
Power Supply 120 VAC (60 Hz)
Current Draw (A) 3.091
Exhaust Vent Diameter Requirements 5"
Exhaust Vent Material Requirements Category III Stainless Steel
Max Vent Length with 1 elbow 45’
Vent Termination Clearances to Any Building Opening (ft) Below = 4’, Side = 4’, or Above = 1’
Gas Supply Pressure Range 5 - 10.5" WC
Min Gas Line Size 1" up to 20’
Water Pressure Rating (psi) 15-150
Case Clearances (in) Top = 12", Front = 4", Sides = 2", Back = 0"
Combustion Air Requirements - using Indoor Air 380 in²
Combustion Air Requirements - using Outdoor Air 100 in²
Head Loss at 2 gpm 4.62 ft of head
Cold Connection Height 2.2"
Power Consumption w/out Freeze Prevention 137 Watts
Power Consumption w/Freeze Prevention 371 Watts
Flow Meter Alarm Yes
Service Reminder No
Condensate Handling Method? N/A
Noise Rating (dB) Less than 60 dB
Tested to UL Computer Controlled Safety Standards Yes
Flame Sensor Yes
High Limit Switch Yes
Lightning Protection Yes
Overheat Cutoff Fuse Yes
Temperature Lockout No
Ignition Type Direct Electronic
Case Material Durable Stainless Steel Casing
Color/Finish Stainless Steel
Flue Collar Material Stainless Steel
Primary Heat Exchanger Material Copper
Secondary Heat Exchanger Material N/A
Mounting Type Wall Hung
Package Contents Anchoring Screws, Remote Controller, Remote Controller Cord, Owner’s Guide, Warranty, Installation Manual, Heat Exchanger Inspection Report
Water Holding Capacity 0.6 gallons
Keypad/Thermostat Display Included
Compatible Remote Controller Part # RC-7649M
Isolator Valve Part # IK-WV-300-1-xx
Freeze Protection Yes
Freeze Protection Kit Accessory N/A
Outdoor Vent Cap Part # VC-132
Pipe Cover Part # PC-4S-SUS
Recess Box Part # N/A
High Elevation Adjustment Yes
Quick-Connect Cord Part # QC-1
System Controller Compatible? Yes
System Controller Part # SC-201-6M, -12M, -24M
Remote Controller Cord Included
Compatible Remote Controller Cord Part # RC-CORD10
Power Cord Not included
ENERGY STAR® Qualified No
CSA Yes
Mobile Home No
NSF Yes
SCAQMD (20 ppm) No
SCAQMD (55 ppm) Yes
UPC No
Energy Guide - Est. Yearly Energy Use N/A
Energy Guide - Est. Yearly Operating Cost
UPC Low Lead Yes
ASME (HLW) Yes
ASME (H) No
ASME (NB) Yes
Heat Exchanger Warranty (w/out Recirculation) 5 Years
Heat Exchanger Warranty (w/Recirculation) 5 Years
Parts Warranty 5 Years
Labor Warranty 1 Year
Go to Warranty Calculator
Residential or Commercial Commercial
Installation Location Indoor or Outdoor with Vent Cap
Exhaust Type Single Vent
Max Flow Rate 13.2 GPM
Flow Rate @ 50°F Rise 12.5 GPM
Flow Rate @ 80°F Rise 7.8 GPM
Temperature Range 100°F - 180°F
Production Status Active
Condensing No
Minimum Activation Flow Rate 0.7
Water Quality Treatment May Be Necessary
Freeze Protection Yes
Freeze Protection Rating - Indoor Temp -30°F
Freeze Protection Rating - Outdoor Temp -4°F
Recirculation Compatible? Yes
New Generation Model Number N/A
Previous Name N-1321M-ASME-NG
Available Temperature Settings (with remote) 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150, 160, 170, 180°F
Default Temperature Setting (without remote) 120°F
Default Temperature Program Setting Options (without remote) 120, 130, 140, 180°F
Production Date Range 10/2007 - Present
Min Gas Input (Btu) 22500
Max Gas Input (Btu) 380000
Height (in) 29.7
Width (in) 19.1
Depth (in) 11.8
Weight (lbs) 106
Thermal Efficiency 80%
Energy Factor N/A
Afue N/A
Quick-Connect Compatible? Yes
Cold Water Connection Size (in) 1
Hot Water Connection Size (in) 1
Gas Connection Size (in) 3/4
Power Supply 120 VAC (60 Hz)
Current Draw (A) 3.091
Exhaust Vent Diameter Requirements 5"
Exhaust Vent Material Requirements Category III Stainless Steel
Max Vent Length with 1 elbow 45’
Vent Termination Clearances to Any Building Opening (ft) Below = 4’, Side = 4’, or Above = 1’
Gas Supply Pressure Range 5 - 10.5" WC
Min Gas Line Size 1" up to 20’
Water Pressure Rating (psi) 15-150
Case Clearances (in) Top = 12", Front = 4", Sides = 2", Back = 0"
Combustion Air Requirements - using Indoor Air 380 in²
Combustion Air Requirements - using Outdoor Air 100 in²
Head Loss at 2 gpm 4.62 ft of head
Cold Connection Height 2.2"
Power Consumption w/out Freeze Prevention 137 Watts
Power Consumption w/Freeze Prevention 371 Watts
Flow Meter Alarm Yes
Service Reminder No
Condensate Handling Method? N/A
Noise Rating (dB) Less than 60 dB
Tested to UL Computer Controlled Safety Standards Yes
Flame Sensor Yes
High Limit Switch Yes
Lightning Protection Yes
Overheat Cutoff Fuse Yes
Temperature Lockout No
Ignition Type Direct Electronic
Case Material Durable Stainless Steel Casing
Color/Finish Stainless Steel
Flue Collar Material Stainless Steel
Primary Heat Exchanger Material Copper
Secondary Heat Exchanger Material N/A
Mounting Type Wall Hung
Package Contents Anchoring Screws, Remote Controller, Remote Controller Cord, Owner’s Guide, Warranty, Installation Manual, Heat Exchanger Inspection Report
Water Holding Capacity 0.6 gallons
Keypad/Thermostat Display Included
Compatible Remote Controller Part # RC-7649M
Isolator Valve Part # IK-WV-300-1-xx
Freeze Protection Yes
Freeze Protection Kit Accessory N/A
Outdoor Vent Cap Part # VC-132
Pipe Cover Part # PC-4S-SUS
Recess Box Part # N/A
High Elevation Adjustment Yes
Quick-Connect Cord Part # QC-1
System Controller Compatible? Yes
System Controller Part # SC-201-6M, -12M, -24M
Remote Controller Cord Included
Compatible Remote Controller Cord Part # RC-CORD10
Power Cord Not included
ENERGY STAR® Qualified No
CSA Yes
Mobile Home No
NSF Yes
SCAQMD (20 ppm) No
SCAQMD (55 ppm) Yes
UPC No
Energy Guide - Est. Yearly Energy Use N/A
Energy Guide - Est. Yearly Operating Cost
UPC Low Lead Yes
ASME (HLW) Yes
ASME (H) No
ASME (NB) Yes
Heat Exchanger Warranty (w/out Recirculation) 5 Years
Heat Exchanger Warranty (w/Recirculation) 5 Years
Parts Warranty 5 Years
Labor Warranty 1 Year
Go to Warranty Calculator
CSA NSF SCAQMD55 LeadFree ASMEHLW ASMENB

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