A.O. Smith ATX-199 User Manual
TX1 COMMERCIAL INTEGRATED
TANKLESS ON TANK
COMMERCIAL
GAS WATER HEATERS
The TX1 condensing water heater combines tankless with a tank to deliver energy saving
performance.
INTEGRATED CT-199 CONDENSING
TANKLESS
• Delivers 96% thermal efficiency
• Modulating burner
• Heat exchanger constructed of commercial grade
copper
• Secondary heat exchanger constructed of 316 grade
stainless steel
• 185°F Max Temperature
• Available in natural gas or propane
119 GALLON STORAGE TANK
• Glass lined tank
• Multiple anodes protect the tank
• Front water inlet and top water outlet
• High density foam reduces standby heat losses
• Heavy gauge steel jacket
• 160 psi working pressure
CODES AND STANDARDS
• CSA certified and ASME rated T&P relief valve
• Maximum hydrostatic working pressure: 160 psi
• All models are design certified by Underwriters
Laboratories (UL), Inc., to ANSI Z21.10.3 - CSA 4.3
Standards
• Meets the thermal efficiency and standby loss
requirements of the U.S. Department of Energy and
current edition ASHRAE/IES 90.1
• Complies with SCAQMD Rule 1146.2 and other
Air Quality Management Districts with similar
requirements for ultra low-NOx emissions
• Complies with lead free standards
6 YEAR LIMITED HEAT EXCHANGER
AND TANK, 5 YEAR LIMITED PARTS
WARRANTY
• For complete warranty information, consult written
warranty or go to hotwater.com.
COMMERCIAL-GRADE
COMPONENTS
• 4.1 GPM pump
• Advanced electronic control
• Factory installed T&P and pressure relief valves
ATX-199 MODEL
© June 2019 A. O. Smith Corporation. All Rights Reserved
www.hotwater.com | 800-527-1953 Toll-Free USA | A. O. Smith Corporation | 500 Tennessee Waltz Parkway | Ashland City, TN 37015
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AOSCG12000
COMMERCIAL
GAS WATER HEATERS
C
A
F
G
E
Water Connection Size: Inlet/Outlet 2" Female NPT
B
D
ATX-199
Supply Gas Connection: 3/4" Male NPT
DIMENSIONS
Dimensions
A B C D E F G
Inches (cm) Inches (cm) Inches (cm) Inches (cm) Inches (cm) Inches (cm) Inches (cm) LBS (KG)
72 (183) 58.7 (149) 41 (104) 11.8 (30) 4.3 (11) 61.38 30 (76) 520 (236)
Electrical characteristics-120V-60Hz A.C., 5.0 A
Propane gas models available
Dimensions and specifications subject to change without notice in accordance with our policy of continuous product improvement.
Approx. Ship
Weight
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AOSCG12000
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