Cyclone® Mxi 119-Gallon Condensing Commercial Gas Water Heater with Modulating Burner

Model BTH-500
Capacity (Gallons)
Fuel Source
ASME Indicator
Maximum BTU's

  • ENERGY STAR® certified - Up to 95% thermal efficiency dramatically lowers operating costs
  • Intelligent Demand Response control system senses large water draws and automatically adjusts the differential setpoint, increasing the hot water available when it is needed the most
  • Submerged combustion chamber, with helical heat exchanger, positioned in center of tank, surrounded by water to virtually eliminate radiant heat loss from chamber
  • Product Details
    • ENERGY STAR® certified - Up to 95% thermal efficiency dramatically lowers operating costs
    • Intelligent Demand Response control system senses large water draws and automatically adjusts the differential setpoint, increasing the hot water available when it is needed the most
    • Submerged combustion chamber, with helical heat exchanger, positioned in center of tank, surrounded by water to virtually eliminate radiant heat loss from chamber
    • iCOMM™ remote monitoring provides detailed diagnostic fault notifications and control of the set point and differential using the free A.O. Smith app
    • Mechanical venting versatility with convention power venting or direct venting vertically or through side wall with low cost PVC Schedule 40 intake and exhaust pipe
    • Direct-vent intake and exhaust pipe can terminate separately outside building or through single opening, using concentric vent assembly
    • High efficiency modulating down-fired pre-mix burner provides optimum efficiency and quiet operation
    • Permaglas® Ultra Coat™ glass lining coating is applied using a liquid slush coating technique to ensure uniform coating
    • 3-year limited tank and 1-year limited parts warranty

    • The full line of A. O. Smith Cyclone® Mxi condensing water heaters have 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. The current Mxi modulating models adjust firing rate to the specific demand further increasing efficiency and money savings. BTH-500 uses up to 499,900 BTU/h of gas to deliver 576 GPH at 100°F rise. A. O. Smith offers the largest commercial product selection available, including the most specified commercial unit in the U.S. We offer more than 500 different commercial models, including gas fired, oil-fired and electric configurations, ranging in capacities from 5 to 10,000 gallons, with input range from 50,000 BTU to the equivalent of 4,000,000 BTU. Our comprehensive line is the natural fit for spec jobs requiring everything from the smallest commercial installation up to the largest multi-structure complex.

    Specifications
    Tech Specs
    Nominal Gallon Capacity
    119 Gallons
    Rated Storage Volume
    118 Gallons
    Thermal Efficiency
    95%
    Maximum BTUs
    499,900
    Power Source
    GAS
    Limited Tank Warranty
    3 Years
    Limited Parts Warranty
    1 Years
    T&P Relief Valve
    TRUE
    Water Connection Size
    1.5"
    ASME Certified
    No
    Amperes
    5
    Destination Country
    US
    Digital Display
    true
    Energy Star Certified
    true
    Fuel Source
    PROPANE
    Height to Gas Valve
    74.50
    Height to T&P
    52.00
    Installation Type
    INDOOR
    Minimum BTUs
    195,000.00
    Application
    COMMERCIAL
    Recovery Rise at 90°F
    640
    Shipping Height 
    85.5
    Shipping Length 
    42.25
    Shipping Width 
    40.75
    Side Loop
    No
    Voltage
    120
    Dimension & Venting
    Type
    Water Heater
    Height
    75.75"
    Diameter
    33.13 in."
    Shipping Weight
    931lbs
    Product Literature
    Maintenance & Troubleshooting
    Maintenance

    Cyclone MXI: Application and Installation

    Cyclone MXI: Blocked Air Intake Error

    Cyclone MXI: Blocked Exhaust Error

    Cyclone MXI: Hardware Failure - Flame Rod Short

    Troubleshooting

    Cyclone MXI: Controls Overview

    Cyclone MXI: Ignition Failure Error

    Cyclone MXI: Low Gas Pressure Error

    Cyclone MXI: No Blower Speed Feedback Error

    Marketing Videos
    Cyclone MXI: Features and Benefits
    Cyclone MXI: How It Works