Commercial Gas Water Heaters
FEATURES
The Master-Fit® BTR series provides outstanding performance and maximum installation flexibility 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
■Designed to significantly reduce or eliminate sediment build-up inside the tank
■Reduced sediment build-up maintains rated thermal efficiency and reduces water heating costs
■Self-cleaning system maximizes tank life
FACTORY-INSTALLED DRAFT DIVERTER AND AUTOMATIC FLUE DAMPER
(BTR-120-400 Models)
■Low-profile draft diverter helps for installation in tight spaces
■Automatic motorized flue damper helps minimize standby heat loss
■BTR-500 Model features induced draft design and no damper
THREE WATER CONNECTION OPTIONS FOR ADDED FLEXIBILITY
■Hot and cold water connections can be made through front, top or rear of unit
■Eliminator™ system operates when cold water is connected through front
PERMAGLAS® ULTRA COAT™ GLASS LINING
■Exclusive process provides superior protection against corrosion
■CoreGard™ anode rods with stainless steel core provide additional corrosion protection
INTERMITTENT ELECTRONIC IGNITION
■Eliminates standing pilot, saves energy
■Includes power ON/OFF switch
■Provides flame failure response in less than one second
FACTORYINSTALLED, CSA CERTIFIED AND ASME RATED T&P RELIEF VALVE MAXIMUM HYDROSTATIC WORKING PRESSURE: 160 PSI
80% THERMAL EFFICIENCY
CODES AND STANDARDS
■Design-certified by UL (Underwriters Laboratories), according to
ANSI Z.21.10.3 - CSA 4.3 standards governing storage-type water heaters
■Meets the thermal efficiency and standby loss requirements of the U. S. Department of Energy and current edition of ASHRAE/IESNA 90.1
■Design-certified by Underwriters Laboratories Sanitation to NSF Standard 5 for 180°F (82°C) water
■Optional ASME tank construction available
THREE-YEAR LIMITED TANK WARRANTY
■For complete warranty information, consult written warranty shipped with water heater or contact A. O. Smith
Revised June 2013
BTR-120
through
BTR-500(A)
The Eliminator™
Low Lead Content
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AOSCG10300
Commercial Gas Water Heaters
OTHER MASTER-FIT® FEATURES
FULLY AUTOMATIC CONTROL SYSTEM
■Manual-reset gas shut-off device prevents excessive water temperature
■Adjustable thermostat with 120ºF — 180ºF range
■Gas pressure regulator and pilot filter
HANDHOLE CLEANOUT
■ Allows easy access to tank interior for cleaning
PLUG KITS
■ 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-400, 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 |
1-1/2” on all models except BTR-251 and BTR-305, not equipped |
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with top connections |
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FRONT INLET AND OUTLET |
2” on BTR-200, BTR-250, BTR-275 and BTR-400, 1-1/2” on all |
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other models |
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BACK INLET AND OUTLET |
2” on BTR-198, BTR-200, BTR-250 BTR-275 and BTR-400, 1-1/2” |
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on all other models |
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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 June 2013 |
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www.hotwater.com |
AOSCG10300 |
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