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Screw Plug Immersion Heaters

Variable Material Immersion Heater Variable NPT Clean Water

Screw Plug Immersion Heaters

$268.99

Item# TSP01864

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $268.99
5-9 $255.54
10-24 $250.16
25-49 $239.40
50-99 $234.02
100+ $228.64

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Lead Time ( If not in Stock): 8 weeks
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Screw Plug Immersion Heaters TSP01864 TSP01864
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  • Stainless Steel, Brass or Steel Screw Plugs
  • Four Standard Screw Plug Sizes—25.4 mm (1"), 31.8 mm (11/4"), 50.8 mm (2"), 63.5 mm (21/2")
  • Recompacted Element Bends Restore Insulation Resistance after Forming
  • Thermowell for Optional Bulb and Capillary Thermostat, RTD or Thermocouple Probe
  • Corrosion-Resistant Electrical Wiring Hardware
  • Four Standard Sheath Materials—Copper, Steel, 316 Stainless Steel and Incoloy® 800
  • NEMA 1 Round Terminal Housing
  • Silicone Resin Element Seal Standard
Data Sheet (PDF)

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Product Specs

Product Details

Screw plug immersion heaters consist of tubular elements welded or brazed into a threaded screw plug which can then be inserted into a threaded opening in a tank wall or through a mating full or half coupling. Need Customer Assistance? We take pride in our record of working with our customers to develop the right heater for the job. Call OMEGA with your requirements. OMEGA screw plug immersion heaters are UL recognized and CSA certified in many design variations. The UL file numbers are E90771 (CCN UBJY2/8) for heaters not containing a thermostat and E234452 (CNN KSXF2) for heaters used in water based solutions that include a thermostat. OMEGA’s equivalent CSA file number is 043099. If you require UL, CSA, or other NRTL agency approvals, please specify when ordering.

60 watts/in2  (9.3 watts/cm2)—Typical Applications: Clean Water
Model Number Nominal Pipe Size Immersed Length KW Approximate Net Weight
120V-1Ph 120/240V 240V-1Ph mm inch kg lbs
TSP01840 — TSP01841 1 NPT 1 element 114 41⁄2 0.5 1 2
TSP01842 — TSP01843 165 61⁄2 0.75 1 2
TSP01844 — TSP01845 168 65⁄8 1 1 2
TSP01846 — TSP01847 203 8 1.25 1 2
TSP01848 — TSP01849 235 91⁄4 1.5 1 3
TSP01850 — TSP01851 318 121⁄2 2 1 3
TSP01852 — TSP01853 375 143⁄4 2.5 1 3
TSP01854 — TSP01855 426 163⁄4 3 1 3
— — TSP01856 533 21 4 1 3
TSP01857 — TSP01858 11⁄4 NPT 1 element 111 43⁄8 0.5 1 3
TSP01859 — TSP01860 162 63⁄8 0.75 1 3
— TSP01861 — 11⁄4 NPT 2 elements 111 43⁄8 1 1 3
— TSP01862 — 162 63⁄8 1.5 1 3
— TSP01863 — 216 81⁄2 2 1 3
— TSP01864 — 273 103⁄4 2.5 2 4
— TSP01865 — 381 15 3 2 4
— — TSP01866 483 19 4 2 4
— — TSP01867 597 231⁄2 5 2 4
— — TSP01868 699 271⁄2 6 2 5
Model Number Nominal Pipe Size Immersed Length KW Approximate Net Weight
120V-1Ph 120/240V 240V-3Ph 240/480V 480V-3Ph mm inch kg lbs
— TSP01869 — TSP01870 — 2 NPT 2 elements 206 81⁄8 2 2 4
— TSP01871 — TSP01872 — 283 111⁄8 3 2 4
— TSP01873 — TSP01874 — 384 151⁄8 4 2 5
— TSP01875 — TSP01876 — 460 181⁄8 5 2 5
— — — TSP01877 — 537 211⁄8 6 3 6
— — — TSP01878 — 676 265⁄8 8 3 6
— — — TSP01879 — 816 321⁄8 10 3 6
TSP01880 — TSP01881 — TSP01882* 2 NPT 3 elements 206 81⁄8 3 2 4
TSP01883 — TSP01884 — TSP01885* 283 111⁄8 4.5 2 5
— — TSP01886 — TSP01887 384 151⁄8 6 2 5
— — TSP01888 — TSP01889 460 181⁄8 7.5 3 6
— — TSP01890 — TSP01891 537 211⁄8 9 3 6
— — TSP01892 — TSP01893 676 265⁄8 12 3 7
— — TSP01894 — TSP01895 816 321⁄8 15 4 8
TSP01896 — TSP01897 — TSP01898* 21⁄2NPT 3 elements 194 75⁄8 3 2 4
TSP01901 — TSP01899 — TSP01900* 225 87⁄8 3.75 2 5
— — TSP01902 — TSP01903* 270 105⁄8 4.5 2 5
  — TSP01904 — TSP01905 371 145⁄8 6 3 6
— — TSP01906 — TSP01907 448 175⁄8 7.5 3 6
— — TSP01908 — TSP01909 524 205⁄8 9 3 7
— — TSP01910 — TSP01911 664 261⁄8 12 4 8
— — TSP01912 — TSP01913 803 315⁄8 15 4 9
— — TSP01914 — TSP01915 943 371⁄8 18 5 10
Note: Dual-Voltage heaters are 1-Phase and are wired for the higher voltage unless otherwise specified.
* 3-phase only. Other 3-phase heaters are convertible to 1-phase.
60 watts/in2 (9.3 watts/cm2)—Typical Applications: Deionized Water and Demineralized Water
Model Number Nominal Pipe Size Immersed Length KW Approximate Net Weight
120V-1Ph 240V-3Ph 480V-3Ph mm inch kg lbs
TSP01822 TSP01823 TSP01824* 21⁄2" NPT 2 elements 194 75⁄8 3 3 7
TSP01825 TSP01826 TSP01827* 270 105⁄8 4.5 3 7
— TSP01828 TSP01829 372 145⁄8 6 4 8
— TSP01830 TSP01831 448 175⁄8 7.5 4 8
— TSP01832 TSP01833 524 205⁄8 9 4 9
— TSP01834 TSP01835 664 261⁄8 12 5 10
— TSP01836 TSP01837 803 315⁄8 15 5 11
— TSP01838 TSP01839 943 371⁄8 18 5 12
Note: Dual-Voltage heaters are 1-Phase and are wired for the higher voltage unless otherwise specified.
* 3-phase only. Other 3-phase heaters are convertible to 1-phase.

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