Model N-1321M-ASME
Tankless Water Heater
HOT WATER OUTLET (1")
8-6 10 OBLONG HOLE
4- 13
4- 13
8-6 10 OBLONG HOLE
3.9"
"4.6
"1.7
"4.8
"6.8
WIRING THROUGHWAYS
5.5"
3.9"
2.8"
1.4"
1.4"
2.8"
3.9"
5.5"
(VIEW FROM TOP)
16.9"
12.2"
11.9"
9"
7.2"
"1
"8.0
"7.03
"8.0
CERTIFIED
R
18.7
"
"3.3
"9.4
GAS INLET (3/4")
COLD WATER INLET (1")
0.4"
11.8"
4.4"
"6.5
"3.82
0.4"
1.3"
"5.92
AIR INLET
HOT WATER OUTLET
WIRING THROUGHWAYS
WATER DRAIN VALVE
19.1"
18.3"
FLUE COLLAR AND ADAPTER
LED
AIR INLET
HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE
HOT WATER OUTLET
COLD WATER INLET
GAS INLET
HOT
COL
WIRING THROUGHWAYS
GAS
WATER DRAIN VALVE
GAS INLET
COLD WATER INLET (WATER FILTER)
2.6"
3.4"
2.0"
Item
Model Name
Type
Installation
Air Supply/Exhaust
Ignition
Operating Water Pressure
Minimum Flow Rate
Gas Supply Pressure
Dimensions
Weight
Water Holding Capacity
Connection
Sizes
Power
Water Inlet
Hot Water Outlet
Gas Inlet
Supply
Consumption
Casing
Material
Flue Collar
Heat Exchanger
Safety Devices
Included Accessories
Optional Accessories
Specification
N-1321M-ASME
Indoor/Outdoor, Wall Hung
Power Vented
Direct Ignition
15 - 150 PSI
0.7 GPM
NG : 5.0" - 10.5" LP : 10.5" - 14.0"
29.7"(Height) x 19.1"(Width) x 11.8"(Depth)
105(pounds)
0.6 Gallon
1"
1"
3/4"
120VAC(60Hz)
NG: 137W LP: 142W Freeze Prevention 371W
Stainless Steel
Stainless Steel
Copper Sheeting, Copper Tubing
Flame Rod, Thermal Fuse, Pressure Relief Valve, Wind Pressure Switch, Lightning Protection Device (ZNR),
Overheat Prevention Device, Freezing Prevention Device, Fan Rotation Detector
Remote Cotroller, Remote Controller Cord, Exhaust Adapter, Anchoring Screws
Isolation Valves (#IK-WV-6), Outdoor Vent Cap (#VC-132), Pipe Cover (#PC-132M), Remote
Controller Outdoor Junction Box (#RC-OJB), ScaleShield (#SS-HB-2 (2 units)), Quick-Connect
Cable (#QC-1M), Multi-System Controller (SC-201-6M (-12M, -24M))
NORITZ AMERICA CORPORATION
11160 Grace Avenue, Fountain Valley, CA 92708 Tel. 1-866-7NORITZ www.noritz.com
Model N-1321M-ASME
Product Performance
Flow Rates
14
12
10
8
6
Flow Rate (GPM)
4
2
0
0 20 40 60 80 100 120 140
Temperature Rise (°F)
Temperature
Rise
Flow Rate
GPM)
20 30 40 45 50 60 70 80 90 100 110 120 130
13.2 13.2 13.2 13.2 12.5 10.4 8.9 7.8 6.9 6.2 5.7 5.2 4.8
*For peak flow rates in shaded areas, contact Noritz for proper setting.
Pressure Loss
30
Set temperature: 140°F or less
25
20
15
10
Pressure Loss (psi)
5
0
0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0
Set temperature: 145°F or higher
(Storage Tank Setting w/ System
Controller: 170~180°F)
Flow Rate (gpm)
(Storage Tank Setting w/ System
Controller: 160°F or less)
Item Maximum Performance Minimum Performance
Gas
Consumption
Thermal Efficiency
NG
LP
35°F Rise
Hot Water
Capacity
45°F Rise
77°F Rise
100°F Rise
Capacity Range
Temperature Settings
Default Temperature Options
Features
Warranty
Approvals
380,000 btuh
380,000 btuh
NG: 80% LP: 84%
13.2 Gal/min.
13.2 Gal/min.
8.1 Gal/min.
6.2 Gal/min.
0.7 - 13.2 Gal/min.
100-150°F (In 5°F intervals) ,160, 170, 180°F (14 Options)
120, 130, 140, 180°F (Default is 120°F)
Quick-Connect (2 units), Multi-System (Up to 24 units), Pump Control
5 years Heat Exchanger / 5 years Parts (12/5- Residential)
CSA, UPC, NSF, ASME, Low NOx Approved By SCAQMD
Noritz America reserves the right to discontinue, or change at any time, the designs and/or specifications of its products without notice.
60
50
40
30
Ft of Head
20
10
0
22,500 btuh
22,500 btuh
Rev. 12/08