Rheem-Ruud ES120-18-G


Water Heater, Electric, 120 Gal, 208V, 18KW

ES120-18-G 592508
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ItemCommercial Heavy Duty Water Heater
Tank (Gal.)120
Total Watts18,000
Amps AC87/50
Number of Elements6
Recovery @ 50 F Rise (GPH)149
Recovery @ 70 F Rise (GPH)106
Recovery @ 90 F Rise (GPH)83
Recovery @ 100 F Rise (GPH)74
Recovery @ 110 F Rise (GPH)68
Recovery @ 120 F Rise (GPH)62
Recovery @ 130 F Rise (GPH)57
Recovery @ 140 F Rise (GPH)53
Height/Top of Heater (In.)67-5/8
Jacket Dia. (In.)30-1/4
Height to T & P Opening (In.)58-3/4
Front to Back of Heater (In.)36
Height/Cold Side Connection (In.)5
Water Connection1-1/2
Temp. Range120 to 180F, Preset at 120F
Manufacturers Warranty Length3 Year Limited Tank, 1 Year Limited Parts
Standards UL Certified, Meets UL Standard 1453, NC Code Compliant, In Accordance With ANSI Test Procedures, Meets Or Exceeds ASHRAE Standard 90.1b-2001
ComplianceCertified For Use In Potable Water Applications in CA and VT
Includes T And P Valve, Brass Drain Valve
Weight 426.000000


Commercial Heavy Duty Water Heater, Electric, Tank 120 Gal, 208V Voltage, 1/3 Phase, 18KW Total Watts, 87 / 50 Amps AC, Number of Elements 6, Recovery @ 90 F Rise 83 GPH, Height/Top of Heater 67 5/8 In, Front to Back of Heater 36 In, 1 1/2 Water Connection, Temp Range 120-180 Deg F, Preset At 120 Deg F, Includes T And P Valve, Brass Drain Valve, Warranty Length 3 Year Limited Tank, 1 Year Limited Parts

Commercial Electric Water Heaters
  • Steel tanks have anode rods and polyurethane foam insulation; high porcelain enamel finish maximizes corrosion resistance. Include thermostat and temp. limiting control.
  • Factory-installed T&P valves are AGA/ASME rated.
  • Max. thermostat setting: 160 F
  • High Hot Water Recovery
  • System Sentinal diagnostic system uses LED lights to verify all sequences of system operation. Multiple screw-in type elements are fully submersible for maximum recovery efficiency (98%) and can be easily changed; made from stainless steel. All have integral fusing for each element. 3" rigid polyurethane insulation. 2 magnesium anode rods. Include prewired, single-panel control box with hinged door and multiple knockouts. Factory-installed 1-1/2" NPT dielectric nipples. Factory wired 3-phase.

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