Overview

Residential or Commercial	Commercial
Installation Location	Indoor & Outdoor with Vent Cap
Exhaust Type	2-pipe Direct Vent (SV convertible)
Max Flow Rate	11.1 GPM
Flow Rate @ 50°F Rise	8.9
Flow Rate @ 80°F Rise	4.9
Temperature Range	100-185°F
Production Status	Active
Condensing	Yes
Minimum Activation Flow Rate	0.5 GPM
Water Quality	Treatment may be needed

Freeze Protection	Yes
Freeze Protection Rating - Indoor Temp	-30°F
Freeze Protection Rating - Outdoor Temp	N/A
Recirculation Compatible ?	Yes
New Generation Model Number	Yes
Previous Name	NCC199
Available Temperature Settings (with remote)	100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150, 160, 170, 185°F
Default Temperature Setting (without remote)	120°F
Default Temperature Program Setting Options (without remote)	120, 130, 140, 185°F
Production Date Range	11/2019 - Present

Technical Specs & Installation

Min Gas Input (Btu)	18,000
Max Gas Input (Btu)	199,900
Height (in)	27
Width (in)	18.5
Depth (in)	12.8
Weight (lbs)	81
Thermal Efficiency	96%
Energy Factor	UEF 0.96
Afue	N/A
Quick-Connect Compatible?	Yes
Cold Water Connection Size (in)	3/4
Hot Water Connection Size (in)	3/4
Gas Connection Size (in)	3/4
Power Supply	120 VAC
Current Draw (A)	2.55
Exhaust Vent Diameter Requirements	2" or 3"
Exhaust Vent Material Requirements	PVC or CPVC
Max Vent Length with 1 elbow	65’ with 2" or 150’ with 3"
Vent Termination Clearances to Any Building Opening (ft)	Below = 1’, Side = 1’, or Above = 1’
Gas Supply Pressure Range	8-14" WC
Min Gas Line Size	3/4" up to 59’
Water Pressure Rating (psi)	15-150
Case Clearances (in)	Top = 12", Front = 4", Sides = 3", Back = 0"
Combustion Air Requirements - using Indoor Air	200 in² (Only if SV conversion)

Combustion Air Requirements - using Outdoor Air	100 in²(Only if SV conversion)
Head Loss at 2 gpm	7.1 ft
Cold Connection Height	2.2"
Power Consumption w/out Freeze Prevention	80 Watts
Power Consumption w/Freeze Prevention	114 Watts
Flow Meter Alarm	Yes
Service Reminder	Yes
Condensate Handling Method?	NC-1 or NT20A
Noise Rating (dB)	52 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	Yes
Ignition Type	Direct Electronic
Case Material	Durable Steel Casing
Color/Finish	Metallic Silver
Flue Collar Material	PP
Primary Heat Exchanger Material	Stainless Steel
Secondary Heat Exchanger Material	Stainless Steel
Mounting Type	Wall Hung
Package Contents	Anchoring Screws, Remote Controller, Remote Controller Cord, Owner’s Guide, Warranty, Installation Manual, Drain hose(with clamp), Wall Mounting Bracket
Water Holding Capacity	0.82 gal

Accessories

Keypad/Thermostat Display	Included
Compatible Remote Controller Part #	RC-9018M
Isolator Valve Part #	IK-WV-200-1-XX
Freeze Protection	Yes
Freeze Protection Kit Accessory
Outdoor Vent Cap Part #	N/A
Pipe Cover Part #	PC-6S
Recess Box Part #	N/A

High Elevation Adjustment	Yes
Quick-Connect Cord Part #	QC-2
System Controller Compatible?	Yes
System Controller Part #	SC-301-6M, SCU-301-12M
Remote Controller Cord	Included
Compatible Remote Controller Cord Part #	RC-CORD10
Power Cord	Included attached

Approvals

ENERGY STAR® Qualified	Yes
CSA	Yes
Mobile Home	N/A
NSF	Yes
SCAQMD (20 ppm)	Yes
SCAQMD (55 ppm)	No
UPC	Yes

Energy Guide - Est. Yearly Energy Use	193 gallons
Energy Guide - Est. Yearly Operating Cost	$430
UPC Low Lead	Yes
ASME (HLW)	No
ASME (H)	No
ASME (NB)	No

Warranty

Heat Exchanger Warranty (w/out Recirculation)	10 years
Heat Exchanger Warranty (w/Recirculation)	10 years

Parts Warranty	5 years
Labor Warranty	1 year