50 Gal, Electric, Commercial Water Heater (ES50-18-G)

The RHEEM-RUUD ES50-18-G Commercial Electric Water Heater is a heavy-duty, 50-gallon tank unit designed for consistent hot water supply in commercial settings. Operating on 480V AC single- or three-phase power, it features three stainless steel heating elements with a total power consumption of 18,000 W. The heater provides a maximum operating pressure of 150 psi and achieves a 98% thermal efficiency rating. It delivers recovery rates up to 149 gph at a 50°F temperature rise and supports a working range from 90°F to 160°F. The tank is constructed from steel with a vitreous glass lining, polyurethane insulation, and a porcelain enamel exterior for durability.

Key Features:

• Type: Commercial electric tank water heater
• Tank Capacity: 50 gallons
• Voltage and Phase: 480V AC, single or three-phase operation
• Heating Power: 18,000 W total; 3 stainless steel elements
• Thermal Efficiency: 98% with automatic temperature control
• Temperature Range: 90°F to 160°F; maximum output 190°F
• Pressure Rating: 150 psi maximum
• Recovery Rate: 149 gph at 50°F rise, 53 gph at 140°F rise
• Connections: 1-1/2 in. NPT water inlets and outlets (cold side/hot top)
• Tank Construction: Steel tank with vitreous glass lining and polyurethane insulation
• Included Components: Factory-installed temperature and pressure relief valve, brass drain valve
• Dimensions: 43.6 in. H × 26.3 in. W × 32 in. D; tank diameter 26.25 in.
• Certifications: UL Listed, CSA Certified, AHRI Compliant, ASHRAE Standard, DOE-tested
• Warranty: 3-year limited tank warranty; 1-year limited parts warranty