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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.

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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Need parts?
Rheem Rapid Parts

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