Electro-Steam Generator Corp.
Electro-Steam Generator Corp.
50 Indel Avenue
P.O. Box 438
Rancocas, NJ 08073-0438
Phone: 866-617-0764
Fax: 609-288-9078
Toll Free: 866-617-0764
Email: sales@electrosteam.com
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Standard Features:

  • Built by an ASME Certificate holder in accordance with ASME BPVC Section I - Rules for Construction of Power Boilers ("ASME BPVC Section I"). They also comply with the requirements outlined in The National Board Synopsis of Boiler and Pressure Vessel Laws, Rules and Regulations (NB-370) RULES FOR CONSTRUCTION AND STAMPING section, which for many jurisdictions include but are not limited to ASME BPVC Section I, ASME CSD-1, ASME B31.1, and REGISTRATION WITH THE NATIONAL BOARD.
  • High Pressure Safety Reset
  • UL Listed and labeled under UL 834
  • Dual Pressure Controls (UL 353)
  • Low Level Cut-Off (LLCO) (UL 353)
  • Safety Relief Valve possessing the ASME V Mark (these valves are built by a manufacturer holding a valid ASME Certificate of Authorization)
  • Motorized Automatic Flush and Drain (MAFD)
  • Single Service Transformer

Recommended Options (Non-Standard):

  • Spare Parts Package
  • 5-Micron Water Filter

Click here to read the NB-370 synopsis.

DS 150-480 Electric Steam Generators
Unit of Measure
Items DS 150-480 Electric Steam Generators
DS-150 (H)
150 Kilowatt (kW) Double Stack High Pressure Electric Steam Generator 		DS 150-480 Electric Steam Generators
DS-200 (H)
200 Kilowatt (kW) Double Stack High Pressure Electric Steam Generator 		DS 150-480 Electric Steam Generators
DS-240 (H)
240 Kilowatt (kW) Double Stack High Pressure Electric Steam Generator 		DS 150-480 Electric Steam Generators
DS-300 (H)
300 Kilowatt (kW) Double Stack High Pressure Electric Steam Generator 		DS 150-480 Electric Steam Generators
DS-360 (H)
360 Kilowatt (kW) Double Stack High Pressure Electric Steam Generator
Description N/A Standard Features:
  • Built by an ASME Certificate holder in accordance with ASME BPVC Section I - Rules for Construction of Power Boilers ("ASME BPVC Section I"). They also comply with the requirements outlined in The National Board Synopsis of Boiler and Pressure Vessel Laws, Rules and Regulations (NB-370) RULES FOR CONSTRUCTION AND STAMPING section, which for many jurisdictions include but are not limited to ASME BPVC Section I, ASME CSD-1, ASME B31.1, and REGISTRATION WITH THE NATIONAL BOARD.
  • High Pressure Safety Reset
  • UL Listed and labeled under UL 834
  • Dual Pressure Controls (UL 353)
  • Low Level Cut-Off (LLCO) (UL 353)
  • Safety Relief Valve possessing the ASME V Mark (these valves are built by a manufacturer holding a valid ASME Certificate of Authorization)
  • Motorized Automatic Flush and Drain (MAFD)
  • Single Service Transformer
Recommended Options (Non-Standard):
  • Spare Parts Package
  • 5-Micron Water Filter
Click here to read the NB-370 synopsis.
Brands N/A Electro-Steam™
Electrical Power N/A 150 kW (75 kW per Box) (2 Boxes) N/A 200 kW (50 kW per Box) (4 Boxes) N/A 240 kW (60 kW per Box) (4 Boxes) N/A 300 kW (75 kW per Box) (4 Boxes) N/A 360 kW (90 kW per Box) (4 Boxes)
Alternating Current (AC) Voltage1 N/A 208 V230 V360 V400 V480 V600 V
Phase N/A 3
Frequency N/A 50 Hz60 Hz
Boiler Horse Power N/A 15 bhp (7.5 bhp per Boiler) N/A 20 bhp (10 bhp per Boiler) N/A 24 bhp (12 bhp per Boiler) N/A 30 bhp (15 bhp per Boiler) N/A 36 bhp (18 bhp per Boiler)
Steam Capacity2 N/A 517.5 lb/hr234.0 kg/hr N/A 690.0 lb/hr312.0 kg/hr N/A 828.0 lb/hr374.4 kg/hr N/A 1,035 lb/hr468.0 kg/hr N/A 1,242 lb/hr561.6 kg/hr
Average Water Consumption3 N/A 62.01 gal/hr234.0 L/hr N/A 82.68 gal/hr312.0 L/hr N/A 99.22 gal/hr374.4 L/hr N/A 124.0 gal/hr468.0 L/hr N/A 148.8 gal/hr561.6 L/hr
Gross British Thermal Units (BTU) Output4 N/A 502,080 Btu/hr N/A 669,440 Btu/hr N/A 803,328 Btu/hr N/A 1,004,160 Btu/hr N/A 1,204,992 Btu/hr
Maximum Boiler Pressure N/A 100 psi
Operating Pressure N/A 0 to 80 psi
Note for Operating Pressure N/A Factory Set at 80 psi
Maximum Boiler Capacity N/A 53 gal
Note for Maximum Boiler Capacity N/A 26.5 Gallons per Boiler
Boiler Fill Capacity N/A 44 gal
Note for Boiler Fill Capacity N/A 22.0 Gallons per Boiler
Boiler Material 5 N/A Carbon Steel
Cabinet Material N/A 304 Stainless Steel
Plumbing Material6 N/A Brass (Schedule 40) Carbon Steel (Schedule 40)
Industry Standards N/A American Society of Mechanical Engineers (ASME) - Boiler and Pressure Vessel Code American Society of Mechanical Engineers (ASME) - CSD-1 Canadian Underwriters Laboratories (cUL) Underwriters Laboratories (UL)
Amperage at 208 Volt (V) Alternating Current (AC) Voltage (3Ø Phase) N/A 416.4 A (208.2 A per Box) (2 Boxes) N/A 555.1 Amps (138.8 Amps per Box) (4 Boxes) N/A 666.2 Amps (166.5 Amps per Box) (4 Boxes) N/A 832.7 Amps (208.2 Amps per Box) (4 Boxes) N/A 999.3 Amps (249.8 Amps per Box) (4 Boxes)
Amperage at 230 Volt (V) Alternating Current (AC) Voltage (3Ø Phase) N/A 392.9 A (196.5 A per Box) (2 Boxes) N/A 523.9 Amps (131.0 Amps per Box) (4 Boxes) N/A 628.6 Amps (157.2 Amps per Box) (4 Boxes) N/A 785.8 Amps (196.5 Amps per Box) (4 Boxes) N/A 943.0 Amps (235.7 Amps per Box) (4 Boxes)
Amperage at 360 Volt (V) Alternating Current (AC) Voltage (3Ø Phase) N/A 253.6 A (126.8 A per Box) (2 Boxes) N/A 338.1 Amps (84.52 Amps per Box) (4 Boxes) N/A 405.7 Amps (101.4 Amps per Box) (4 Boxes) N/A 507.1 Amps (126.8 Amps per Box) (4 Boxes) N/A 608.5 Amps (152.1 Amps per Box) (4 Boxes)
Amperage at 380 Volt (V) Alternating Current (AC) Voltage (3Ø Phase) N/A
Amperage at 400 Volt (V) Alternating Current (AC) Voltage (3Ø Phase) N/A 226.5 A (113.2 A per Box) (2 Boxes) N/A 302.0 Amps (75.49 Amps per Box) (4 Boxes) N/A 362.3 Amps (90.59 Amps per Box) (4 Boxes) N/A 452.9 Amps (113.2 Amps per Box) (4 Boxes) N/A 543.5 Amps (135.9 Amps per Box) (4 Boxes)
Amperage at 415 Volt (V) Alternating Current (AC) Voltage (3Ø Phase) N/A
Amperage at 480 Volt (V) Alternating Current (AC) Voltage (3Ø Phase) N/A 180.4 A (90.21 A per Box) (2 Boxes) N/A 240.6 Amps (60.14 Amps per Box) (4 Boxes) N/A 288.7 Amps (72.17 Amps per Box) (4 Boxes) N/A 360.8 Amps (90.21 Amps per Box) (4 Boxes) N/A 433.0 Amps (108.3 Amps per Box) (4 Boxes)
Amperage at 600 Volt (V) Alternating Current (AC) Voltage (3Ø Phase) N/A 144.3 A (72.17 A per Box) (2 Boxes) N/A 192.5 Amps (48.11 Amps per Box) (4 Boxes) N/A 230.9 Amps (57.74 Amps per Box) (4 Boxes) N/A 288.7 Amps (72.17 Amps per Box) (4 Boxes) N/A 346.4 Amps (86.60 Amps per Box) (4 Boxes)
Length N/A 64 in
Width N/A 38 in
Height N/A 63 in
Total Length N/A 125 in
Total Width N/A 60 in
Total Height N/A 70 in
Water Inlet (Shared) N/A 1/2" NPT (Female) - Y-Strainer, Brass
Steam Outlet (Shared) N/A 6" Flange (150 psi, 4-Hole) - 2-1/2" pipe connection
Safety Valves (x2)(Separate) N/A 1-1/4" NPT (Male) (x2) - Two Black Pipes routed to the floor; one from each Safety Valve.
Drain + MAFD Option (Shared) N/A 1" NPT (Female) - Elbow, Brass
Steam Trap (Not Included) N/A 3/4" NPT (Female) - Threaded connection on the bottom of the 2-1/2" shared Steam Outlet pipe.
Motorized Automatic Flush and Drain (MAFD) N/A Two of these options are supplied standard in all double stack steam generators; the motorized drain valve opens for three (3) minutes during every start-up. As old water is drained out, fresh water is cycled in. This drain valve will not open if the pressure in the steam generator exceeds 5 psi. The electric heaters are locked out during flush cycle.
Single Service Transformer7 N/A Two of these options are supplied standard in all double stack steam generators; the Transformer steps down the primary high voltage supplied for the heaters, in order to provide 120VAC 1Ø for the controls; with this option, only the two (2) primary high voltage supplies are required.
Manual Low Water Reset8 N/A Manual Low Water Reset trips if the electric heaters shut-off because of a low water condition. Reset must be manually pressed to resume steam production.
Water Feed Booster Pump N/A Two Water Feed Booster Pumps are supplied standard in all high-pressure double stack steam generators. Each Water Feed Booster Pump increases the incoming water pressure to overcome the operating pressure of each steam generator. Each Booster Pump requires a 5-150 psi water supply with a minimum flow rate of 3 gpm (At least 6 gpm is required for both)
Spare Parts Package Includes N/A
  • 18-Month Warranty (12-Month Standard)
  • (2) Electric Heaters & (2) Heater Gaskets
  • (2) Sight Glass Tubes & (4) Washers
  • (1) Pressure Control
  • (1) Contactor
5-Micron Water Filter N/A 2-stage, 5-micron water filter installed into incoming water line to reduce sediment, dirt, rust, chlorine, and even odor from incoming water supply.
  • 1 Electro-Steam™ Double Stack electric steam generators are two (2) electric steam boilers stacked inside one (1) cabinet. They are plumbed together, but not wired together. Double Stack steam generators require two (2) or four (4) customer specific high voltage feeds, one (1) per Electrical Box - 150 kW models have two (2) Electrical Boxes to feed and 200 to 480 kW models have four (4).
  • 2 Calculated values are based off of a 212ºF boiler feed-water temperature. However, it must not exceed 140ºF. Temperatures that range between 60ºF and 140ºF, are approximately 80% to 90% of the calculated values shown.
  • 3 Calculated values are based off of a 212ºF boiler feed-water temperature. However, it must not exceed 140ºF. Temperatures that range between 60ºF and 140ºF, are approximately 80% to 90% of the calculated values shown.
  • 4 Calculated values are based off of a 212ºF boiler feed-water temperature. However, it must not exceed 140ºF. Temperatures that range between 60ºF and 140ºF, are approximately 80% to 90% of the calculated values shown.
  • 5 Wetted Surfaces.
  • 6 Wetted Surfaces.
  • 7 Two (2) Single Service Transformer options are included with each double stack electric steam generator. These options provide 120 VAC 1Ø, 50/60 Hz for each boiler's controls.
  • 8 A Manual Low Water Reset Button is supplied standard with every steam generator, but it is disabled. If this Reset Button is required as per your local boiler codes, simply plug the two attached wires into the PC-Board terminals labeled "Reset"