Large Volume ElectricHigh-Power Commercial Water Heaters
Available in 150 to 2,500 Gallon Storage
12 KW through 900 KW
Rheem-Ruud large volume electric high power commercial
water heaters are now available in 150 to 2,500 gallon
storage – vertical round, vertical square and horizontal –
with energy saving performance!
208, 240, 277
380, 415, 480
and 600 Voltages
Vertical Round,
Vertical Square
and Horizontal
High Power
Energy Saving
Performance
Construction Features:
• Glass lined steel tank
• Incoloy heating elements
• Internal fusing (above 120 amps)
• Enamel finished galvanized steel
jacket
• Magnesium anodes
• Immersion thermostat
• Manual reset high limit
• Full length hinged doors
with key lock
• Terminal block connections
Optional Features:
• Low water cut-off
• Pilot lights
• Manual limiting switches
• Alarm bell
• Shunt trip disconnect (
• Low or high water pressure switch
• Lifting lugs
• Time clock (7 day or 24 hour)
• Safety door interlock
Field installed)
• ASME temperature and pressure
relief valve
• Channel iron skid base (except
150 & 200 gallon round models)
• 180° F temperature operation
• 125 PSI working pressure
• Handhole cleanout
• Safety drain pan (square models)
• Control voltage on/off switch
with pilot light
• 3 Year limited tank warranty
• Temperature and pressure gauges
• Manway (250 gallon and larger
only)
• 150 psi or 160 psi working
pressure
• Electronic step controller
• Seismic attachment point
(250 gallon and larger – specify
city, state and seismic zone)
Certifications and Ratings:
• Efficiency – All models meet or exceed ASHRAE energy efficiency
• Safety and construction –
standards.
ASME construction and National Board listed
UL 1453 listed
Continued next page.
Vertical Round Models 150-1000 Vertical Square Models 1250-2500
Horizontal Models
Dimensional Information
MODEL MAX. GALLON WATER CONNECTION APPROX. SHIP.
NUMBER KW CAPACITY ABCD
INLET OUTLET
VERTICAL ROUND
EVRO150 144 150 65-1/2 32 38-3/4 7-3/4 1-1/2 1-1/2 650 lbs.
EVRO200 162 200 78 32 38-3/4 7-3/4 1-1/2 1-1/2 750 lbs.
EVRO250 162 250 92 34 40-3/4 19-1/2 1-1/2 1-1/2 1,165 lbs.
EVRO300 162 300 80 40 46-3/4 21 221,350 lbs.
EVRO400 162 400 80 46 52-3/4 22-1/2 221,590 lbs.
EVRO500 396 500 92 46 52-3/4 22-1/2 221,700 lbs.
EVRO600 396 600 92 52 60-3/4 24-1/2 2-1/2 2-1/2 2,010 lbs.
EVRO800 396 750 104 52 60-3/4 24-1/2 2-1/2 2-1/2 2,450 lbs.
EVRO1000 396 950 128 52 60-3/4 24-1/2 2-1/2 2-1/2 3,160 lbs.
• Vertical round models above 90 KW at 208V, 240V, or 380V and 162 KW at 415V, 480V or 600V exceedthe capacityof a single control box and may require mulitple control panels. Consultthe
factory for specific detailsand optional construction.
• Vertical square construction is available as an option for models that exceed the listed KW limits.
• Control panel heights on vertical round models may exceed tank height – consult factory for specific heights on models with inputs above 72 KW.
VERTICAL SQUARE
EVS1250 900 1,250 132-1/2 64-1/2 64-1/2 23-1/4 333,560 lbs.
EVS1500 900 1,500 128-1/2 70-1/2 70-1/2 25-1/4 334,120 lbs.
EVS2000 900 2,000 140-1/2 76-1/2 76-1/2 27-1/4" 334,350 lbs.
EVS2500 900 2,500 146-1/2 82-1/2 82-1/2 29 335,750 lbs.
WEIGHT
HORIZONTAL
EHS0150 144 150 37 68-1/2 34-1/4 12 221,180 lbs.
EHS0200 180 200 37 78 34-1/4 12 221,370 lbs.
EHS0250 225 250 39 90-1/4 36-1/4 13 221,450 lbs.
EHS0300 270 300 45 78-1/4 42-1/4 14-3/4 221,530 lbs.
EHS0400 360 400 52 78-1/4 48-1/4 16 221,750 lbs.
EHS0500 450 500 52 90-3/4 48-1/4 16 221,860 lbs.
EHS0600 540 600 58 90-3/4 54-1/4 13-1/2 2-1/2 2 2,340 lbs.
EHS0800 720 750 58 102-1/4 54-1/4 13-/12 2-1/2 2 2,850 lbs.
EHS1000 900 1,000 58 126-1/4 54-1/4 13-1/2 2-1/2 2 3,040 lbs.
EHS1250 900 1,250 64 130-1/4 60-1/4 15 333,750 lbs.
EHS1500 900 1,500 70 126-1/4 66-1/4 16 334,340 lbs.
EHS2000 900 2,000 76 137-1/4 72-1/4 17-1/2 334,580 lbs.
EHS2500 900 2,500 82 144-1/4 78-1/4 16-1/2 336,060 lbs.
Large Volume Electric continued.
Standard KW Input and Amperage
GPH @ MAX. NO. OF KW NO OF MODULATING
SUGGESTED
KW 100° F BTU/HR NO. OF CONTROL PER CONTACTORS CONTROL STEP
INPUT RISE EQUIVALENT ELEMENTS STEPS ELEMENT 240/480V 208/240V 208V 240V 208V 240V 480V
12 49 40,944 1112 2/1 – 58 50 33 29 14
15 62 51,180 1115 2/1 – 72 63 42 36 18
18 74 61,416 1118 2/1 – 87 75 50 44 22
30 123 102,360 2115 2/1 – 144 125 83 72 36
36 148 122,832 2118 4/2 4/2 174 150 100 87 44
45 185 153,540 3115 3/2 3/2 216 188 125 108 54
54 221 184,248 3118 6/2 3/2 260 225 150 130 65
60 246 204,720 4215 12/6 4/3 289 250 167 144 72
72 295 245,664 4218 8/4 4/4 ––200 174 87
90 369 307,080 5218 6/3 3/3 ––250 217 109
108 443 368,496 6218 12/4 4/4 ––300 260 130
120 492 409,440 8315 8/4 4/4 ––333 289 144
135 554 460,620 9315 9/6 4/4 ––375 325 162
144 590 491,328 8318 16/8 4/4 ––400 347 174
162 664 552,744 9318 18/6 8/6 ––450 389 186
180 738 614,160 10 4 18 20/10 8/8 ––500 434 217
216 886 736,992 12 4 18 24/8 8/8 ––600 519 260
234 959 798,408 13 5 18 26/13 8/8 ––650 563 282
252 1,033 859,824 14 5 18 28/14 8/8 ––700 607 304
270 1,107 921,240 15 5 18 30/10 12/10 ––750 649 325
288 1,181 982,656 16 6 18 32/16 12/12 ––800 692 347
306 1,255 1,044,072 17 6 18 34/17 12/12 ––850 736 368
324 1,328 1,105,488 18 6 18 36/12 12/12 ––900 780 390
342 1,402 1,166,904 19 7 18 38/19 12/12 ––950 822 412
360 1,476 1,228,320 20 7 18 40/20 12/12 ––1,000 865 435
378 1,550 1,289,736 21 7 18 42/14 14/14 ––1,050 909 455
396 1,624 1,351,152 22 8 18 44/22 15/16 ––1,100 952 477
414 1,697 1,412,568 23 8 18 46/23 16/16 ––1,150 995 498
432 1,771 1,473,984 24 8 18 48/16 16/16 ––1,200 1,040 520
AMPERAGE DRAW
SINGLE PHASE THREE PHASE
Recommended Specifications (for trade reference only)
Water heater(s) shall be RHEEM-RUUD model ________________, having electrical input of __________ kW. Water heater(s) shall
have a storage capacity of ___________ gallons. Water heater(s) shall have the UL seal of certification and have a factory supplied
AGA/ASME rated temperature and pressure relief valve. Tank(s) shall have a coating of high temperature porcelain enamel and
furnished with magnesium anode rods rigidly supported. Water heater(s) shall meet or exceed the standby loss requirements of
ASHRAE. Tank(s) shall have a working pressure of 125 psi, and shall be completely assembled. Water heater(s) shall be approvedlisted and constructed in accordance with UL 1453. Water heater(s) shall be equipped with “screw-in” type elements featuring a
stainless steel outer sheath of INCO-LOY material. Tank shall be insulated with rigid polyurethane foam insulation. Water heater(s)
shall be provided with internal power circuit fusing, control circuit fusing, magnetic contactors, 120 volt control circuit transformer and
immersion thermostat(s) with manual reset high limit control. Water heater(s) shall be covered by a three year limited warranty
against tank leaks. Water heater(s) shall be constructed in accordance with the requirements of the ASME Boiler and Pressure
Vessel Code, Section IV Part HLW.
Limited Warranty:
This product features a three year limited warranty against tank leaks. Please refer to
Commercial Warranty Information brochure for complete warranty information.
In keeping with its policy of continuous progress and product improvement, Rheem-Ruud reserves the right to make changes without notice.
Rheem Water Heating • 101 Bell Road, Montgomery, Alabama 36117-4305 • www.rheem.com
Rheem Canada Ltd./Ltée,128 Barton Street West, Hamilton, Ontario L8N 3P3
P RI N T E D IN U. S. A 1 0/ 0 7 WP F OR M NO. RR 1 0 2 CE- 8
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