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2. No Stainless Steel Venting
1. Steel Tank Glass
Lining Anode Rods
3. Antiquated, Inecient
Atmospheric Burner
5. Large, Cumbersome
Indoor Only
6. Steel Jacket
Corrosion
4. No/ Limited
Diagnostic
7. Limited Hot Water
ON DEMAND
TANK HEAT LOSS
Full 5-Year Warranty
2. PVC Venting
1. Commercial-Grade Heat Exchanger
3. Dual-Flame
Burner
4. Full Diagnostic
7. Endless Hot Water
8. 93.3 Eciency
Secondary Stainless
Steel Heat Exchanger
8. 75% Eciency
Antiquated
Atmospheric Burner
Technology
6. Stainless
Steel Casing
5. Small Size
NCC199-DV 100-199
40˚ 50˚ 60˚ 70˚ 80˚ 90˚ 100˚ 110˚ 120˚ 130˚
2 NCC199-DV Units GPH 399,800 1116 888 744 636 552 492 444 408 372 348
D-100-199-AS GPH 199,900 485 355 323 277 242 215 194 176 162 149
631 533 421 359 310 277 250 232 210 199
DIFFERENCE
Model Number Flow
BTU
Input
Noritz 2 NCC199-DV Units vs. 100-199
Temperature Rise
100-199
Steel tank with glass lining and anode rods: The glass lining can be easily broken in
transportation or installation. The anode rods harbor scale formation within the tank.
No stainless steel: This can amount to rust and deterioration of the venting.
Antiquated, inecient atmospheric burner: does not supply a stable ame to heat the
water which creates a long recovery time.
No or limited diagnostic: the heater cannot be maintained and will give no warning to
system failures. Limited parts can be replaced. When the tank breaks, the entire
heater must be replaced.
Large size: the tank heater takes up more than 9 square feet of oor space and can
only be installed inside.
Steel jacket corrosion can shorten the life of the heater. The large tank heater casing
can deteriorate in harsh commercial installations. Not NSF approved for kitchen
installation
Limited hot water with long recovery times.
75% Eciency. Antiquated atmospheric burner technology results in stand-by heat
loss and higher costs.
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NCC199-DV
Commercial grade heat exchanger: Increased level of eciency, stabilizing temperature and
boosting performance for long life under heavy use.
Less expensive PVC venting can be used due to reduced exchaust temperatures.
Fully modulating burner: Increased level of eciency, stabilizing temperature uctuations
and boosting the performance of the ow rate.
Full diagnostics for easy maintenance and repair. Most parts of the heater can be replaced
and are plug and play for quick repairs.
Small size: Noritz heaters take up less than 3 square feet of space and can be installed
inside or outside on walls or racks. (DV requires indoor installation only.)
Stainless steel casing: allows Noritz units to be cleaned and sanitized and protected from
its surroundings. NSF Approved
Endless supply of hot water. Noritz heaters can meet the demand of application and will
never run out of hot water.
93.3% Eciency. 100% Stainless Steel secondary heat exchanger. Using the heat produced
by the exhaust gas to preheat the incoming cold water resulting in higher eciency levels.
Quick-Connect 2 Units