A.O. Smith BTX-100 Leaflet
Commercial Gas Water Heaters
96% THERMAL EFFICIENCY
VERSATILE POWER DIRECT-VENT
BTX-100
Page 1 of 2
AOSCG10101
April 2008
The Cyclone Xi™ is a light-duty, power direct-vent, fully condensing commercial gas water
heater with an internal helical heat exchanger. This helical heat exchanger helps Cyclone Xi
achieve 96% thermal efficiency and deliver outstanding hot water output.
heater with an internal helical heat exchanger. This helical heat exchanger helps Cyclone Xi
achieve 96% thermal efficiency and deliver outstanding hot water output.
HELICAL INTERNAL HEAT EXCHANGER
n
Completely surrounded by water in tank, provides much greater heat transfer
surface than standard straight flue tube
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Produces 96% thermal efficiency, which saves money on operating costs,
increases hot water output compared to standard-efficiency water heaters
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Minimizes standby losses by trapping heat in the tank
VERSATILE POWER DIRECT-VENT DESIGN
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Power Direct-Vent System allows up to 120 feet using PVC, CPVC, or ABS pipe. Can be
vented vertically thru-the-roof or horizontally thru-the-wall
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2” pipe, vents up to 20 equivalent feet
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3” pipe, vents up to 60 equivalent feet
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4” pipe, vents up to 120 equivalent feet
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Optional concentric vent kit available
CONDENSING DESIGN
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96% efficient condensing deign
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Equipped with condensate drain tee
HIGH OUPUT WITH SMALL FOOTPRINT
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22” diameter, combined with 96% efficiency, 50-gallon tank and 100,000 BTU
input means Cyclone Xi can be installed in less space than a larger 75-gallon
unit, with equal or better performance
unit, with equal or better performance
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Total height is 68-1/2” to top of unit
SIDE-MOUNTED HOT AND COLD RECIRCULATING TAPS
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Allows Cyclone Xi to be installed as part of combination space heating/water
heating applications, or any system requiring a recirculating hot water loop
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Plugs for the recirculating taps are factory installed
ADVANCED ELECTRONIC CONTROL
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Large LCD display
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Precise temperature control
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Advanced diagnostics
PERMAGLAS
®
ULTRA COAT™ GLASS LINING
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A. O. Smith exclusive process provides superior protection against corrosion
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Protects all interior tank surfaces including inside and outside of helical
heat exchanger
TWO HEAVY-DUTY ANODE RODS
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Provides advanced protection against corrosion
AVAILABLE IN NATURAL GAS AND PROPANE
TOP FIRED LOW-NOX GREEN CHOICE
®
GAS BURNER
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“Eco-friendly” design reduces NOx emissions
and complies with Southern California and Texas requirements
FACTORY-INSTALLED TEMPERATURE AND PRESSURE RELIEF VALVE
MAXIMUM HYDROSTATIC WORKING PRESSURE: 150 PSI
CODES AND STANDARDS
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Design-certified by UL (Underwriters Laboratories) according to
ANSI Z21.10.3-CSA4.3 standards governing storage-type water heaters
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These models meet or exceed the thermal efficiency and standby loss requirements of
ASHRAE 90.1 (current standard)
GAS-FIRED
GAS-FIRED