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A.O. Smith Cyclone® Mxi Modulating Water Heater (BTH Series)

BTH Cyclone Water Heater

The full line of A. O. Smith Cyclone Mxi condensing water heaters has been designed to provide years of dependable service and feature industry leading technology. Models are available from 120,000 to 500,000 Btu/h and all deliver thermal efficiencies of 95% and higher. The unique helical coil heat exchanger limits weld joints for optimal service life while maximizing heat transfer.

Cyclone is the industry leader in high efficiency commercial water heating with over a quarter million Cyclones sold since 1996. The current Mxi modulating models adjust firing rate to the specific demand further increasing efficiency and money savings.

INTELLIGENT CONTROL SYSTEM WITH LCD DISPLAY

  • Exclusive A. O. Smith designed control system
  • Provides detailed water heater status information
  • Precise temperature control adjustable from 90 to 181 degrees
  • Built-in diagnostics
  • Run history information
  • Cyclone water heaters are compatible with the iCOMM™ remote monitoring system.

SUBMERGED COMBUSTION CHAMBER, WITH HELICAL HEAT EXCHANGER COIL

  • Positioned in center of tank, surrounded by water to virtually eliminate radiant heat loss from chamber
  • Direct spark ignition • Spiral heat exchanger keeps hot burner gases swirling, uses centrifugal force to maximize efficiency of heat transfer to water in tank
  • Spiral heat exchanger reduces lime scale from forming on water-side surfaces, which maintains energy efficiency over time

POWERED ANODES STANDARD ON ALL MODELS

  • Provides long-lasting tank protection in varying water conditions
  • Powered anodes are non-sacrificial
  • Automatically adjusts output needed to properly protect the tank

PERMAGLAS® ULTRA COAT™ GLASS LINING

  • Glass coating is applied using a liquid slush coating technique to ensure uniform coating
  • Heat exchanger coil is glassed both externally and internally for optimum protection

MECHANICAL VENTING VERSATILITY

  • Conventional power venting or direct venting • Vents vertically or through a sidewall
  • Front located exhaust and condensate connections allow for easy install and access
  • Vents with low cost PVC Schedule 40 intake and exhaust pipe. Approved for optional CPVC Schedule 40, Polypropylene and AL29-4C stainless steel vent materials
  • Direct-vent intake and exhaust pipe can terminate separately outside building or through single opening, using concentric vent assembly
  • Canadian installations require ULC S636 PVC/CPVC, ULC S636 Polypropylene and AL29-4C stainless steel pipe for intake and exhaust

HIGH EFFICIENCY MODULATING PREMIX POWERED BURNER

  • Down-fired pre-mix burner provides optimum efficiency and quiet operation
  • Top-mounted burner position prevents condensation from affecting burner operation

SAVING DESIGN FOR INSTALLATION FLEXIBILITY

  • Easy-to-remove top cover for convenient access to serviceable parts
  • 0˝ installation clearances on sides and rear, 1-1/2˝ installation clearance on top
  • Handhole cleanout allows easy access to tank interior for cleaning
  • 0˝ clearance to combustibles, approved for installation on combustible floors

CODES AND STANDARDS

  • ASME rated and CSA certified 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/IESNA 90.1
  • Design-certified by Underwriters Laboratories to NSF standard 5 for 180°F (62°C) water
  • Complies with SCAQMD Rule 1146.2 and other Air Quality Management Districts with similar requirements for low-NOx emissions
  • ASME tank construction optional on 120-500 model sizes

3-YEAR LIMITED TANK / 1-YEAR LIMITED PARTS WARRANTY

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Lead times vary, depending on the unit. Please contact us for questions about product availability.

Place Order*
A. O. Smith BTH-120 Cyclone Mxi, Series 200
60 Gallon
Water Heater

Natural Gas
120,000 BTU
Request Quote
A. O. Smith BTH-150 yclone Mxi, Series 200
100 Gallon
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Natural Gas
150,000 BTU
 
A. O. Smith BTH-199 Cyclone Mxi, Series 200
100 Gallon
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Natural Gas
199,000 BTU
 
A. O. Smith BTH-250A Cyclone Mxi, Series 200
100 Gallon
Water Heater
ASME
Natural Gas
ASME Certification
250,000 BTU
 
A. O. Smith BTH-300A Cyclone Mxi, Series 200
119 Gallon
Water Heater ASME

Natural Gas
ASME Certification
300,000 BTU
 
BTH-400A Cyclone Mxi, Series 200
119 Gallon
Water Heater ASME

Natural Gas
ASME Certification
399,900 BTU
 

 

*IMPORTANT: By purchasing this water heater from JupiterHeating.com, the customer is agreeing that the unit will be installed by a licensed, professional heating contractor; that the customer and installer will follow all local zoning regulations, as well as all manufacturer's installation instructions, policies, and warranty requirements; and that the customer has read and understood JupiterHeating.com's Terms of Sale.