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SS Immersion Heater 2.5" NPT Medium Weight Oil

Medium Weight Oil Immersion Heater 3 Element Design


Item# MTO-303/240

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $961.52
5-9 $913.44
10-24 $894.21
25-49 $855.75
50-99 $836.52
100+ $817.29

In stock

Lead Time (If not in stock): 6 weeks
Medium Weight Oil Immersion Heater 3 Element Design MTO-303/240 MTO-303/240
  • 240 and 480V, 3 Phase
  • 3 to 9kW
  • Rugged Steel Sheath
  • Low Watt Density for Heating Medium Weight Oils

MTO-303/240 Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Heating Element Length
Supply Voltage
Enclosure Type
Form Factor
Connection Type
Power Density
Supply Voltage Type
Heated Medium
Sheath Material

kW Volts Phase W/in2 No. Htg.
Dim. B
in (cm)
E1 General Purpose Enclosure1 E2 Moisture Res/Explos. Res.†2
Model No. Wt.
Ib (kg)
Model No. Wt.
Ib (kg)
3240315324 3/8 (62)MTO-303/2406 (7)MTO-303E2/2409 (3)
3480315324 3/8 (62)MTO-303/4806 (3)MTO-303E2/4809 (4)
4240315332 1/4 (82)MTO-304/2409 (3)MTO-304E2/24012 (5)
4480315332 1/4 (82)MTO-304/4809 (3)MTO-304E2/48012 (5)
5240315339 3/4 (101)MTO-305/24010 (4)MTO-305E2/24013 (5)
6240315347 1/4 (120)MTO-306/24011 (4)MTO-306E2/24014 (5)
6480315347 1/4 (120)MTO-306/48011 (3)MTO-306E2/48014 (5)
7.5240315357 (145)MTO-307/24014 (4)MTO-307E2/24017 (5)
9240315367 1/4 (171)MTO-309/24015 (4)MTO-309E2/24018 (5)
†Caution: Explosion resistant type E2 construction refers to heater design features which provide explosion resisting containment of electrical wiring according to National Electric Code. Abnormal application or use of heaters which in excessive temperatures can create hazardous conditions which can lead to fire
Consult Section Z for data on allowable watt densities for more viscous materials.
1 Heaters with General Purpose Enclosures are UL Listed and CSA Certified.
2 Heaters with Moisture Resistant/Explosion Resistant Enclosures are CSA NRTL/C Certified.
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