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  • ER Series - heaters will function when operated at lower than rated voltage, but with associated reductions in power output and efficiency
  • Immersion Heaters are primarily used to help maintain oil temperature to avoid cold startups in cold operating conditions
  • May be utilized in water or other solutions
  • Keeps oil at approximately 80°F
  • Automatic built-in fixed setting thermostat normally closes at 70°F and opens at 100°F
  • Will not burn oil
  • Weatherproof wiring enclosure (NEMA 4)
  • For Tanks larger than 500 gallon use multiple heaters
  • Heaters over 10 amps, 480 volt, or three phase must be used with a contactor
  • Amps = Watts/Volts for single pase
  • Amps = Watts/(Volts x 1.73) for three phase
  • Wiring Diagram included with heater
  • UL recognized and CSA certified
  • 22 W/sq in power density on all ET Series heaters
  • Interior thermostat has a 250VAC maximum rating
  • CAUTION:
  • Heaters must be mounted horizontally
  • Do NOT mount from the top down
  • Heaters must be immersed at all times
  • Heaters are not rated for DC current
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ImageItem #Fitting #Reservoir SizeWattageVoltsFluid Port Size NPTPriceOrder Qty.
1230028ET2-121Up to 10 gal1251201/2" $235.86 / EACH
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1230027ET2-251Up to 10 gal2501201/2" $222.90 / EACH
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1230039ET2-252Up to 10 gal2502401/2" $222.90 / EACH
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1230026ET3-50125-50 gal5001203/4" $333.25 / EACH
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1230041ET3-50225-50 gal5002403/4" $309.77 / EACH
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1230013ET3-50425-50 gal5004803/4" $351.41 / EACH
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1230011ET3-100150-100 gal10001203/4" $352.15 / EACH
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1230040ET3-100250-100 gal10002403/4" $352.15 / EACH
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1230037ET3-100450-100 gal10004803/4" $403.01 / EACH
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1230038ET8-2502100-250 gal25002402" $753.34 / EACH
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1230012ET8-2504100-250 gal25004802" $854.64 / EACH
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1230062ET8-2504-3100-250 gal25004802" $978.63 / EACH
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