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  • Ultra Low NOx

    • Ultra Low NOx Solutions —
    Keep Businesses Up and Running

    Rheem® offers a complete line of heavy- and light-duty commercial water heaters for all your commercial water heating needs. Our commercial line includes Ultra Low NOx, high efficiency condensing gas, heat pump and electric water heaters that reduce NOx emissions, carbon footprint and comply with state regulations.

    Rheem Universal™, Triton™ and Commercial Tankless Ultra-Low NOx water heaters meet the industry’s highest environmental standards while eliminating business down time and providing more durability and safety features than competitor models.

    Certified Commercial ULN Water Heaters

    • Reduce NOx emission up to 65%*
    • Meet Utah and SCAQMD 14ng/J NOx requirements

    The ULN water heater inventory is available now. In addition get parts fast with Parts Xpress.

    Common Parts List

    Learn more about how Rheem’s Ultra Low NOx solutions keep businesses up and running.

    Contact Sales

    ultra-low-nox-img@2x

    Ultra Low NOx Product Line-up

    Gas Products

    High Efficiency

    Triton™

    Features:

    Up to 98% Thermal Efficiency

    98,000 – 400,000 BTU/Hr.

    Replace Any Competitor Brand with Easy Retrofit Features

    Integrated Wi-Fi with App

    Leak Detection & Prevention System

    Integrated BMS Connectivity via BacNet port

    System Sentinel LED diagnostics

    Built in Smart Monitoring Technology

    Built-In Condensate Neutralizer

    View Product Details
    Triton Demo

    Atmospheric

    Universal

    Features:

    82% thermal efficiency

    125,000 – 399,900 BTU/Hr.

    Top-Front-Rear Inlet/Outlet Water Connections

    System Sentinel™ LED Diagnostic System

    Low Profile Automatic Flue Damper

    Full-port, Full-flow Drain Valve

    Direct Spark-to-Pilot Ignition System

    View Product Details

    Electric Products

     

    Light Duty w/ Terminal Block

    Features:

    .92 -.93 UEF

    30-119. Gallon Models

    12.1kW for 208/240/277/480 Voltages

    Terminal Block (Field convertible to meet any light-duty application need)

    Perfect for High Water Temperature Requirement Greater than 170F

    View Product Details

     

    Heat Pump

    Features:

    High 3.55 – 3.70 UEF reduces operating cost

    50, 65 & 80 Gallon Models

    LCD Screen with built-in water sensor alert with audible alarm

    Incoloy stainless steel resistor elements

    Dry-fire protection

    View Product Details

    Tankless Gas Products

     

    Rack System

    Features:

    Thermal Efficiency of up to 96%

    11,000 – 199,900 BTU per unit

    Built-in maximum temperature setting of 185°F

    Common venting options for indoor natural gas models

    Manifold control models for expanding up to 3,998,000 BTU/h systems (20 units linked)

    Service valves included

    View Product Details

     

    Wall Mounted

    Features:

    Thermal Efficiency of up to 96%

    11,000 – 199,900 BTU per unit

    Built-in maximum temperature setting of 185°F

    Common venting options for indoor natural gas models

    Manifold control models for expanding up to 3,998,000 BTU/h systems (20 units linked)

    Service valves included

    View Product Details

     

    Indoor

    Features:

    Thermal Efficiency of up to 96%

    11,000 – 199,900 BTU per unit

    Built-in maximum temperature setting of 185°F

    Common venting options for indoor natural gas models

    Manifold control models for expanding up to 3,998,000 BTU/h systems (20 units linked)

    Service valves included

    View Product Details

     

    Outdoor

    Features:

    Thermal Efficiency of up to 96%

    11,000 – 199,900 BTU per unit

    Built-in maximum temperature setting of 185°F

    Common venting options for indoor natural gas models

    Manifold control models for expanding up to 3,998,000 BTU/h systems (20 units linked)

    Service valves included

    View Product Details

    Need parts?
    Rheem Rapid Parts

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    Tankless Electric Products

     

    Non-Thermostatic

    Features:

    Self-diagnostics with intelligent controls actively protect heater in installed environment

    InfoCue™ visible LED indicator communicates system status and heater operation feedback

    SafeStart™ technology engages upon start-up to help avoid dry-fire occurrence

    View Product Details

     

    Thermostatic

    Features:

    Self-diagnostics with intelligent controls actively protect heater in installed environment

    SafeStart™ technology engages upon start-up to help avoid dry-fire occurrence

    Industry leading low flow activation at 0.2 GPM

    View Product Details

     

    Thermostatic with Integrated Mixing Valve

    Features:

    Self-diagnostics with intelligent controls actively protect heater in installed environment

    SafeStart™ technology engages upon start-up to help avoid dry-fire occurrence

    Industry leading low flow activation at 0.2 GPM

    View Product Details

    Need parts?
    Rheem Rapid Parts

    View

    Questions? Learn more about how Rheem’s full-line of Ultra Low NOx solutions can serve your business