A.O. Smith QOS1069 Specifications
Commercial Gas Water Heaters
BTR-120
FEATURES
The Master-Fit® BTR series provides outstanding performance and maximum installation
fl exibility for both new construction and replacement applications. Multiple options for
placement of water connections and low installation clearances are additional
installer-friendly features.
THE ELIMINATOR™ SELF-CLEANING SYSTEM
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Designed to signifi cantly reduce or eliminate sediment build-up inside the tank
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Reduced sediment build-up maintains rated thermal effi ciency and reduces water
heating costs
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Self-cleaning system maximizes tank life
FACTORY-INSTALLED DRAFT DIVERTER AND AUTOMATIC FLUE DAMPER
(BTR-120-400 Models)
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Low-profi le draft diverter helps for installation in tight spaces
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Automatic motorized fl ue damper helps minimize standby heat loss
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BTR-500 Model features induced draft design and no damper
THREE WATER CONNECTION OPTIONS FOR ADDED FLEXIBILITY
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Hot and cold water connections can be made through front, top or rear of unit
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Eliminator™ system operates when cold water is connected through front
PERMAGLAS® ULTRA COAT™ GLASS LINING
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Exclusive process provides superior protection against corrosion
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CoreGard™ anode rods with stainless steel core provide additional corrosion protection
through
BTR-500(A)
INTERMITTENT ELECTRONIC IGNITION
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Eliminates standing pilot, saves energy
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Includes power ON/OFF switch
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Provides fl ame failure response in less than one second
FACTORY- INSTALLED, CSA CERTIFIED AND ASME RATED T&P RELIEF VALVE
MAXIMUM HYDROSTATIC WORKING PRESSURE: 160 PSI
80% THERMAL EFFICIENCY
CODES AND STANDARDS
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Design-certifi ed by UL (Underwriters Laboratories), according to
ANSI Z.21.10.3 - CSA 4.3 standards governing storage-type water heaters
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Meets the thermal effi ciency and standby loss requirements of the U. S. Department
of Energy and current edition of ASHRAE/IESNA 90.1
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Design-certifi ed by Underwriters Laboratories Sanitation to NSF Standard
5 for 180°F (82°C) water
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Optional ASME tank construction available
The Eliminator
THREE-YEAR LIMITED TANK WARRANTY
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For complete warranty information, consult written warranty shipped with
water heater or contact A. O. Smith
Revised February 2013
™
Low Lead Content
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AOSCG1030 0
Commercial Gas Water Heaters
OTHER MASTER-FIT® FEATURES
FULLY AUTOMATIC CONTROL SYSTEM
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Manual-reset gas shut-off device prevents excessive water temperature
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Adjustable thermostat with 120ºF — 180ºF range
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Gas pressure regulator and pilot fi lter
HANDHOLE CLEANOUT
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Allows easy access to tank interior for cleaning
PLUG KITS
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Pipe nipples and caps included to plug unused water connections MASTER-FIT® OPTIONS:
MANIFOLD KITS FOR MULTIPLE HEATER INSTALLATIONS
2-unit kit, Part Number 9003426205
3-unit kit, Part Number 9003427205
4-unit kit, Part Number 9003428205
OPTIONAL LEG KIT TO MEET NSF STANDARD 5
For all BTR models, Part Number 9003425205
MECHANICAL VENTING KITS
For BTR-120 through BTR-200, Part Number 9006015005
For BTR-250 through BTR-500, Part Number 9006016005
For installation of approved power venter to operate in conjunction with water heater thermostat
Field wiring should conform to latest version of the National Electric Code ANSI/NFPA No.70
For more information, consult manual shipped with water heater or contact the A. O. Smith
Technical Support Center at1-800-527-1953
WATER CONNECTIONS
TOP INLET AND OUTLET
FRONT INLET AND OUTLET
BACK INLET AND OUTLET
1-1/2” on all models except BTR-251 and BTR-305, not equipped
with top connections
2” on BTR-200, BTR-250, BTR-275 and BTR-400, 1-1/2” on all
other models
2” on BTR-198, BTR-200, BTR-250 BTR-275 and BTR-400, 1-1/2”
on all other models
For Technical Information and Automated Fax Service, call 800-527-1953. A. O. Smith Corporation reserves the right to make product changes or improvements without prior notice.
Revised February 2013
www.hotwater.com
AOSCG10300
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