HeavyDuty-E-ES Series
RHEEM ES120-45 120 GALLON 45 KW
March 7, 2018
Rheem Storage Tank
March 7, 2018

RHEEM ES120-54 120 GALLON 54 KW


Weight 430.00 lbs Width 30-1/4 in Length 30-1/4 in Height 67-5/8 in


• 50, 85, 120 and new 175 gallon model can be shipped to your location in just a few days, no deposit required and Rheem pays shipping charges 
• Ideal for general commercial use and point-of-use applications like eyewash stations, or used as a booster 
• Inputs: 3 through 108 kW 
• Voltages: 208, 240, or 480 VAC in either single phase or 3-phase; 277 VAC single phase 
• Element wattages: 2000, 3000, 4000, 4500, 5000 and 6000 in the four voltages; 9000 watt element at 480 VAC 
• Choose 1, 3, 6, 9 or 12 element models for your specific application 
• Elements are Lifeguard™ stainless steel, screw-in type that resist burn out and corrosion 
• Long life tank design: proprietary steel formulation with high temperature porcelain enamel to maximize corrosion resistance resulting in a superior tank design 
• ASME construction is available on 50, 85 and 120 gallon models and comes standard on 175 gallon 
• Two anode rods are installed to ensure long life and corrosion resistance 


• 98% thermal efficiency 
• Thick foam insulation for minimal standby heat loss 


• Recovery rate: Up to 438 gallons GPH at a 100 degree rise 
• 190° F maximum delivered temperature 

Capacity & Shipping Weight:

• 50 Gal/270 lbs./320 lbs. ASME 
• 85 Gal/350 lbs./380 lbs. ASME 
• 120 Gal/430 lbs./460 lbs. ASME 
• 175 Gal/700 lbs. ASME only 

Easy Installation & Service:

• Control box is located at the front of unit for easy wiring during installation – Multiple knockout holes accommodate a variety of conduit sizes 
• Exclusive! System Sentinal™ provides a diagnostic panel with LEDs that correspond to the number, location and status of each element 
• Exclusive! Full-port, full-flow, brass drain valve for faster draining 
• Minimum distance to combustible is zero inches from jacket and 18 inches from access door 
• All models approved for installation on combustible flooring 


• Temperature and pressure relief valve at top of 175 gallon model and side on all other models 
• Water connection


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