Noritz NH150-DV User Manual
Model NH Series
Direct Vent Hydronic Boiler
Specification Sheet
• Standard Input - gas consumption ranges from 55,500 to 150,000
BTUh for NH150-DV and 55,500 to 199,900 BTUh for NH199-DV
• Standard Output - 45,500 to 122,400 BTUh for NH150-DV and 45,500
to 163,100 BTUh for NH199-DV
• Operating Flow Range - flow rates from 4.0 gpm up to 17.0 gpm
• Compact Design - ANSI Z21.13a/CSA 49a certified design that can
be wall-mounted indoors
• Durable Steel Casing with Polyester Coating
• Heat Exchanger - manufactured with commercial grade copper
• Venting Options - available in Direct Vent (-DV) that uses 4” Category III
stainless steel pipe at both intake and exhaust
• Direct Electronic Ignition
• AFUE - 83.0% for NG and 82.8% for LP models (NH150-DV)
82.7% for NG and 83.0% for LP models (NH199-DV)
• Temperature Controls - includes remote thermostat that can precisely
adjust the output temperature from 140°F to 180°F (2 temperature
settings, one for DHW and the other for the heating system)
• Safety Devices - Flame Sensor, Overheat Prevention Device,
Lightning Protection Device, Freeze Protection, Fan Rotation Detector,
Boil-Dry Safety and Protection Device
• Additional Features - Flow Switch Activation, Indirect Hot Water Priority,
Dual Temperature Control, Temperature Lockout, Pump Controls, High
Elevation Adjustment, Outdoor Reset Control (NEW!)
• Included Accessories - Pressure & Temperature Gauge, Safety Relief Valve,
Anchoring Screws, Auxillary Terminals, Grundfos UP 26-99F 3-Speed
Circulator Pump, Outdoor Reset Sensor
• 10-Year* Limited Heat Exchanger Warranty
• 1-Year Limited Parts Warranty
NH Series Boiler
Outdoor Reset
Control
Model
NH150 - DV
NH199 - DV
Accessories
Noritz Concentric
Termination - Long (#VT4-TL)
Noritz Concentric
Termination - Short (#VT4-TS)
Circulator
Pump
• Approvals - CSA, ASME, Low NOx Approved By SCAQMD
CERTIFIED
R
* Heat Exchanger warranty is pro-rated after the first 5 years, refer to the Noritz Limited Warranty for complete coverage details
NORITZ AMERICA CORPORATION
11160 Grace Avenue, Fountain Valley, CA 92708 Tel. 1-866-7NORITZ www.noritz.com
Dimensions
0
2
4
6
8
10
12
14
16
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Flow Rate (gpm)
Pressure Loss (psi)
0
5
10
15
20
25
30
35
Ft of Head
65 (pounds)
0.4 Gallon
Water Inlet 1"
Hot Water Outlet 1"
Gas Inlet 3/4"
Supply
120VAC (60Hz)
Consumption NG: 93W LP: 93W
Temperature Settings
140-170°F (In 5°F intervals), 176°F, 180°F (9 Options) / 60-80°C (in 5°C intervals), 83°C (6 Options)
Conne ctio n
Sizes
Weight
Water Holding Capacity
Power
"9.4
"0.4
"6.1
"5.7
"3.7
1.7"
AIR INLET
18.3"
9.1"
5.9"
"4
"4
FLUE COLLAR
17.7"
1/6 HP Circulator Pump
(up to 34 ft of head and
a maximum of 34 GPM)
63/8
32
Flange - (2) 1/2” Dia.
Bolt Holes
51/16
31/2
"7
"2.62
"0.4
"
2.4
2
BOTTOM OF CASE
"6.2
WIRING THROUGHWAYS
WATER SUPPLY
WATER DRAIN VALVE
OPERATION
PANEL
BOTTOM OF CASE
"2.2
GAS INLET
WATER DRAIN VALVE
(WATER FILTER)
WATER RETURN
61/2
"4.3
5
3
/
41/8
See Pump Manual included with the NH Boiler for
more information regarding installation and additional
specifications
Pressure Loss
Specifications
Model Name
Freeze Prevention
Approvals
Boiler
Seƫng
Noritz America reserves the right to discontinue, or change at any time, the designs and/or specications of its products without notice.
PRIORITY 1
PRIORITY 2
Outdoor
Temperature
Range
35°F and
above
20°F and
below
AcƟvaƟon of
Outdoor Reset
NH150-DV
Control
TURNS ON
TURNS OFF
Indoor: -30
°F
NG: 97W LP: 111W
CSA, ASME, Low NOx Approved by SCAQMD
Switch
PosiƟon
SWITCH
CLOSED
SWITCH
OPEN
Hot Water
Output
Temperature
140°F
140°F to
180°F
OperaƟon of Outdoor Reset
Control with NH Boiler
NH199-DV
Rev. 9/11
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