Suggested Specification

Commercial Electric Water Heaters

The water heater(s) shall be A. O. Smith Dura-Power Model(s) CMC/SU _____ rated at _____ KW, _____ volts, _____ -phase, 50/60 cycle AC, and constructed in

accordance with ASME Code and shall bear appropriate symbol and be listed with the National Board as required. Heater shall be listed with Underwriters Laboratories and approved by National Sanitation Foundation.

Glass-lined tank(s) shall be _____ gallon capacity with 150 psi maximum working pressure/ASME Code. Tank shall be cathodically protected with adequate

extruded magnesium rod. All internal surfaces of the heater(s) exposed to water shall be glass-lined with an alkaline borosilicate composition fused to steel. For deionized, substitute: Stainless tank(s) shall be _____ gallon capacity with 150 psi working pressure/ASME Code.

Elements shall be commercial-grade, medium watt density, triple-loop construction Incoloy sheathed or Goldenrod elements __________. For deionized,

substitute: Elements shall be commercial-grade, type 316 L stainless steel sheathed. Elements shall be switched through magnetic contactor(s). Fused 120V control circuit shall include manual reset, high-temperature cut-off switch and immersion-style operating thermostat(s). Low-water cut-off (optional) to prevent element burnout due to possible low-water conditions. Straight-line rectangular cabinet shall be baked enamel with stainless steel front panel (SU models only). All stainless steel jacket (CMC models only) shall provide full-size access to control and elements for ease in servicing and shall enclose tank with fiber-class insulation.

Heater tank shall have a three (3) year limited warranty as outlined in the written warranty.

For Technical Information and Automated Fax Service, call 800-527-1953. A.O. Smith Corporation reserves the right to make product changes or improvements without prior notice.

Revised October 2008	PG 4 OF 4
www.hotwater.com	AOSCE15700

CMC/SU-6, CMC/SU-54 specifications

A.O. Smith is a well-recognized name in the field of water heating solutions, and their CMC/SU series, specifically the CMC/SU-6 and CMC/SU-54 models, exemplify the company's commitment to innovation and performance. These water heaters are designed to cater to both residential and light commercial applications, ensuring that users have access to reliable hot water when they need it.

The CMC/SU-6 is a compact unit that offers a tank capacity of 6 gallons, making it an ideal choice for smaller homes, apartments, or commercial spaces that have limited water heating needs. Despite its small size, the CMC/SU-6 is equipped with a powerful heating element, providing quick recovery rates that allow for consistent hot water supply. Its user-friendly interface allows for straightforward temperature adjustments, ensuring that users can customize their hot water experience.

On the other hand, the CMC/SU-54 is designed for larger demands, boasting a tank capacity of 54 gallons. This model is suitable for larger families or commercial establishments where high volumes of hot water are necessary. The CMC/SU-54 features advanced insulation technology which minimizes heat loss, promoting energy efficiency and reducing operational costs. It also includes a powerful thermostat system that ensures precise temperature control, making it not only functional but also environmentally conscious.

One standout feature in both models is A.O. Smith’s advanced energy-saving technology. Both heaters are built with high-efficiency designs that meet or exceed ENERGY STAR standards, providing customers with significant savings on their energy bills over time. Furthermore, A.O. Smith incorporates safety features such as built-in pressure relief valves and advanced thermal protection mechanisms, ensuring that both models operate safely under various conditions.

Another notable characteristic is the durable construction of both units. Constructed with high-quality materials, they are built to withstand the rigors of daily use while maintaining a high level of performance. The tanks are lined with glass that enhances corrosion resistance, extending the lifespan of the equipment.

In summary, A.O. Smith's CMC/SU-6 and CMC/SU-54 models represent the latest advancements in water heating technology, offering high performance, energy efficiency, and safety features that cater to a wide range of water heating needs. Whether for residential use or light commercial applications, these models stand out as reliable solutions that deliver exceptional hot water experiences.