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Over The Side Heaters (Light Oil Application) with Densities 20 - 30 wpsi

  • Steel or Stainless Steel based flange heaters of all sizes
  • Steel, Stainless, Incoloy™ or copper elements
  • 3-4 inch cold sections or made to measure cold sections
  • Up to 600Volt application (1 or 3 Phase)
  • Standard (NEMA 1), Moisture Resistant Terminal enclosures (NEMA 4) or Explosion Proof Enclosures (NEMA 7)
  • Typically used to heat: Glycol Mixtures, Caustic Solutions, Acidic solutions, Fuel Oils, Lubrication Oils, Mineral Oil baths

    Options:

  • Thermostat Controls and High Limit Controls

    Images are for illustrative purposes only

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Compare Items Item number Power Sheath Material Voltage Terminal Enclosure Thermostat Watt Density
OTST3225X 22.5 kW Inconel 208, 240, 480, 600 1 or 3 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTST3150X 15 kW Inconel 208, 240, 480, 600 1 or 3 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTSI3225X 22.5 kW Incoloy 208, 240, 480, 600 1 or 3 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTSI2575X 7.5 kW Incoloy 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTSI2550X 5 kW Incoloy 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTST2550X 5 kW Inconel 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTST2575X 7.5 kW Inconel 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTSZ2550X 5 kW Titanium 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTSZ2575X 7.5 kW Titanium 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTSC3225X 22.5 kW Copper 208, 240, 480, 600 1 or 3 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTSS3150X 15 kW 304 S.S. 208, 240, 480, 600 1 or 3 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTSS3225X 22.5 kW 304 S.S. 208, 240, 480, 600 1 or 3 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTSI3150X 15 kW Incoloy 208, 240, 480, 600 1 or 3 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTSC3150X 15 kW Copper 208, 240, 480, 600 1 or 3 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTSC2550X 5 kW Copper 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTSC3225M 22.5 kW Copper 208, 240, 480, 600 1 or 3 Phase NEMA 4 Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTSS3150M 15 kW 304 S.S. 208, 240, 480, 600 1 or 3 Phase NEMA 4 Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTSS3225M 22.5 kW 304 S.S. 208, 240, 480, 600 1 or 3 Phase NEMA 4 Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTSI3150M 15 kW Incoloy 208, 240, 480, 600 1 or 3 Phase NEMA 4 Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTSI3225M 22.5 kW Incoloy 208, 240, 480, 600 1 or 3 Phase NEMA 4 Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTST3150M 15 kW Inconel 208, 240, 480, 600 1 or 3 Phase NEMA 4 Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTST3225M 22.5 kW Inconel 208, 240, 480, 600 1 or 3 Phase NEMA 4 Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTSC2575X 7.5 kW Copper 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTSS2550X 5 kW 304 S.S. 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTSS2575X 7.5 kW 304 S.S. 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 7 Explosion Resistant/Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTSZ2575M 7.5 kW Titanium 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 4 Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTSC3150M 15 kW Copper 208, 240, 480, 600 1 or 3 Phase NEMA 4 Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTSZ2550M 5 kW Titanium 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 4 Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTST2575M 7.5 kW Inconel 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 4 Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTST2550M 5 kW Inconel 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 4 Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTSI2575M 7.5 kW Incoloy 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 4 Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTSI2550M 5 kW Incoloy 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 4 Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTSS2575M 7.5 kW 304 S.S. 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 4 Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTSS2550M 5 kW 304 S.S. 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 4 Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTSC2575M 7.5 kW Copper 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 4 Moisture Resistant Without Thermostat 7.4 W/cm²
48 W/in²
OTSC2550M 5 kW Copper 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 4 Moisture Resistant Without Thermostat 5 W/cm²
32 W/in²
OTSI3150 15 kW Incoloy 208, 240, 480, 600 1 or 3 Phase NEMA 1 General Purpose Without Thermostat 5 W/cm²
32 W/in²
OTST2575 7.5 kW Inconel 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 1 General Purpose Without Thermostat 7.4 W/cm²
48 W/in²
OTSZ2550 5 kW Titanium 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 1 General Purpose Without Thermostat 5 W/cm²
32 W/in²
OTSZ2575 7.5 kW Titanium 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 1 General Purpose Without Thermostat 7.4 W/cm²
48 W/in²
OTSC3150 15 kW Copper 208, 240, 480, 600 1 or 3 Phase NEMA 1 General Purpose Without Thermostat 5 W/cm²
32 W/in²
OTSC3225 22.5 kW Copper 208, 240, 480, 600 1 or 3 Phase NEMA 1 General Purpose Without Thermostat 7.4 W/cm²
48 W/in²
OTSS3150 15 kW 304 S.S. 208, 240, 480, 600 1 or 3 Phase NEMA 1 General Purpose Without Thermostat 5 W/cm²
32 W/in²
OTSS3225 22.5 kW 304 S.S. 208, 240, 480, 600 1 or 3 Phase NEMA 1 General Purpose Without Thermostat 7.4 W/cm²
48 W/in²
OTSI3225 22.5 kW Incoloy 208, 240, 480, 600 1 or 3 Phase NEMA 1 General Purpose Without Thermostat 7.4 W/cm²
48 W/in²
OTST3150 15 kW Inconel 208, 240, 480, 600 1 or 3 Phase NEMA 1 General Purpose Without Thermostat 5 W/cm²
32 W/in²
OTST3225 22.5 kW Inconel 208, 240, 480, 600 1 or 3 Phase NEMA 1 General Purpose Without Thermostat 7.4 W/cm²
48 W/in²
OTSC2550 5 kW Copper 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 1 General Purpose Without Thermostat 5 W/cm²
32 W/in²
OTST2550 5 kW Inconel 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 1 General Purpose Without Thermostat 5 W/cm²
32 W/in²
OTSI2575 7.5 kW Incoloy 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 1 General Purpose Without Thermostat 7.4 W/cm²
48 W/in²
OTSI2550 5 kW Incoloy 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 1 General Purpose Without Thermostat 5 W/cm²
32 W/in²
OTSS2575 7.5 kW 304 S.S. 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 1 General Purpose Without Thermostat 7.4 W/cm²
48 W/in²
OTSS2550 5 kW 304 S.S. 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 1 General Purpose Without Thermostat 5 W/cm²
32 W/in²
OTSC2575 7.5 kW Copper 208 V, 240 V, 480 V, 600 V, 1 Phase NEMA 1 General Purpose Without Thermostat 7.4 W/cm²
48 W/in²
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NOTE: All information in CONDEX WATTCO INC ("WATTCO") catalog was considered accurate and correct at printing time. WATTCO is committed to product research and development. WATTCO therefore has the right to make changes to specifications, designs and the Sales Terms and Conditions without prior notice. Should a conflict arise, WATTCO Sales Terms and Conditions will prevail. WATTCO is not responsible for any typographical errors.

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