High Efficiency Condensing Gas Tankless Water Heater

10 to 1 turndown ratio

Durable high grade stainless steel heat exchanger

Endless hot water, advanced temperature control

Advanced modulating water heater with up

to 0.98 ENERGY FACTOR

Available in LP and natural gas

Equipped with highly innovative gas leak detector

Eco-friendly and low NOx combustion system

SCAQMD Rule 1146.2SCAQMD Rule 1146.2

www.westinghousewaterheating.com

Endless Hot Water

Normal operation even at fluctuating voltage due to low voltage running system

The Eco Pre-mixed burner with high combustion efficiency & low CO & NOx emission.

Multiple safety functionsBuilt in dual stage anti-freezing mechanismSwitched-Mode Power Supply (SMPS) design

In the event of gas leak, the leak detector shuts the unit off

Enables automatic control of water quantity based on user’s customized temperature & offers the best hot water experience

- High quality stainless steel

- Low pressure drop- High efficiency

oval tube & fin

Automatic combustion control system

offers a wide range of combustion and

efficient condensation.

- Premium grade stainless steel

The highly advanced modulating system

maintains a consistent water and comfortable temperature by 1º F of temperature increment

TURBO FAN

A CLOSER LOOK

EXHAUST INTAKE

AIR-RATIO GAS VALVE

METAL-FIBER BURNER

MAIN CONTROL

STATE OF THE ART GAS LEAK DETECTOR

FLOW CONTROL VALVE

AIR GAS MIXER

PRIMARYHEAT EXCHANGER

SECONDARYHEAT EXCHANGER

CONDENSATE TRAP

MIXING VALVE

VENT TERMINATION

MULTIFUNCTIONCONTROL PANEL

DisplaySetting/Current TempRupture preventionCurrent status

Customized Temperature Control Advanced user friendly technology of FLOW CONTROL, FLOW SENSOR and heat capacity control makes DHW even more comfortable by maintaining constant temperature during usage

Power ON/OFF

Hot Water TemperatureControl Button

Heating WaterTemperature Control Button

UP / DOWN VolumeControl/Setting for Space heating,Hot water, Timer, Temperature, vacant

Current Status

SPECIFICATIONS

DIMENSIONS

3.9"

6.1"

3.5" 8.2"

4.3"

17.3"27

.6"

14.8"15.3"

7"

3.9"

6.1"

3.5" 8.2"4.

3"

17.3"

27.6

"

14.8"15.3"

7"

3.9"

6.1"

3.5" 8.2"

4.3"

17.3"

27.6

"

14.8"15.3"

7"

3.9"

6.1"

3.5" 8.2"4.

3"

17.3"

27.6

"

14.8"15.3"

7"

3.9"

6.1"

3.5" 8.2"

4.3"

17.3"

27.6

"

14.8"15.3"

7"

MODEL WGRTNG199 / WGRTLP199

Gas Input RateMax 199,000 Btu/hrMin 19,900 Btu/hr

Energy Factor (recovery/thermal efficiency) 0.98

Hot Water Capacity35º Rise 11.0 Gal. Per Minute45º Rise 8.5 Gal. Per Minute77º Rise 5.0 Gal. Per Minute

Installation Indoor Wall HungFlue System Sealed Combustion Direct Vent

Vent 3”(100ft) Schedule 40 PVC, CPVC, PP

Orifice Size(mm)NG(Orifice/Needle) 9.5 / 9.5LP(Orifice/Needle) 7.0 / 6.8

Gas Supply Pressure(”WC)NG 3.5” WC ~ 16” WCLP 3.5” WC ~ 16” WC

Manifold Pressure(”WC)Min NG: -0.14”WC LP: -0.14”WCMax NG: -0.14”WC LP: -0.14”WC

Power SupplyMain Supply 120V 60Hz

Max power Consumption 130WIgnition System Direct Electric Ignition / Automatic Flame SensingBurner System Single Orifice Premixed Fuel Modulation Metal Fiber Infrared

Gas Valve System Air Ratio Gas ValveMinimum Flow Rate 0.5 GPM

Internal Pipe Material Stainless Steel 304Dimensions (W x H x D) 17.3” X 27.6” X 14.8”

Weight 88 lbs(Sub)Heat Exchanger Water Capacity Less than 2 Gallon

Control Panel/Main Controller (Remotely Controller) P-920C / GTH-9500C

Water PressureMax Hot Water 150 psiMin 15 psi

Connection Sizes(Cold/Hot) Water inlet/Outlet 3/4” NPT

Gas Inlet 3/4” NPTCondensate 1/2” NPT

MaterialsCasing Cold Rolled Carbon Steel

Heat Exchange Primary Heat Exchanger: Stainless SteelSecondary Heat Exchanger: Stainless Steel

Safety DevicesFlame Rod, Overheat Cut Off Limit Switch, Gas Leak Detector sensor,

Exhaust Temperature High Limit Switch, Water Temperature High Limit Switch, Frost Protection Ceramic Heater

12 Year Residential & 5 Year Commercial Limited Warranty, WESTINGHOUSE are trademarks of Westinghouse Electric Corporation. Used under license by HTP, Inc. All Rights Reserved. MKTLIT-76 - 11/ 2014