Skip to search Skip to main content Skip to navigation

PST joins DwyerOmega. Read more>

Search Omega

All Products
Resources
Services
About Us
Australia Brazil Canada Canada(FR) China Czech Republic Denmark France Germany India Italy Japan Korea Malaysia Mexico Netherlands Philippines Singapore Spain Taiwan Thailand United States United Kingdom

Home
See Industrial Heaters
Immersion Heaters

We noticed you are from . Visit your local site for regional offers and live support.

Stay here.

Go to the site >

Configuration complete.
Please add to cart to keep it or exit the configuration

Failed to Save Configurations, Click on Configure Button Start Again

price

$50-$199.99 (3)
$200-$499.99 (13)
$500-$999.99 (29)
$1,000-$100,000 (58)

In Stock

sku_availability

Power

3 kW (48)
6 kW (41)
15 kW (18)
4 kW (28)
9 kW (25)
5 kW (20)

3 kW (48)
6 kW (41)
15 kW (18)
4 kW (28)
9 kW (25)
5 kW (20)
10 kW (13)
2 kW (28)
12 kW (21)
18 kW (15)
7.5 kW (13)
4.5 kW (13)
1.5 kW (19)
1.0 kW (12)
1000 W (7)
7 kW (7)
24 kW (6)
500 W (4)
30 kW (3)
2.5 kW (13)
20 kW (4)
750 W (4)
300 W (3)
100 W (3)
36 kW (3)
25 kW (2)
0.250 kW (2)
3.75 kW (2)
3.33 kW (2)
50 kW (2)
2.66 kW (2)
400 W (1)
48 kW (1)
350 W (1)
72 kW (1)
900 W (1)
13.5 kW (1)
8 kW (8)
1.25 kW (5)
0.75 kW (5)
0.5 kW (3)
150 W (2)
250 W (2)
200 W (2)
600 W (2)
40 kW (1)
1.1 kW (1)
Oil 20 kW Water 20 kW, 78 kW (1)
Oil 15 kW Water 15 kW, 59 kW (1)
6000 W (1)
Oil 2 kW, 5 kW, 15 kW, 20 kW Water 2 kW, 5 kW, 15 kW, 20 kW, 78 kW (1)
Oil 6 kW, 21 kW Water 6 kW, 59 kW, 21 kW, 80 kW (1)
1.2 kW (1)
0.375 kW (1)
1440 W (1)
7500 W (1)
3.5 kW (1)
5.0 kW (1)
Oil 11 kW Water 11 kW, 80 kW (1)
Oil 15 kW, 5 kW Water 15 kW, 5 kW, 59 kW (1)
1.4 kW (1)
11.5 kW (1)
16 kW (1)
0.6 kW (1)
60 kW (1)

More Options Show Less

Heating Element Length

12" (8)
24 3⁄8" (3)
47 1⁄4" (3)
48" (8)
33 1⁄16" (8)
24 1⁄2" (7)

12" (8)
24 3⁄8" (3)
47 1⁄4" (3)
48" (8)
33 1⁄16" (8)
24 1⁄2" (7)
48 1⁄16" (7)
33" (6)
25 3⁄16" (6)
18 1⁄16" (5)
40 1/2" (5)
40 9⁄16" (5)
6 1⁄2" (4)
25 1⁄8" (4)
7" (4)
18" (4)
13" (3)
65 1⁄16" (3)
39 3⁄4" (2)
32 1⁄4" (2)
24 7⁄8" (9)
12 1⁄4" (8)
17" (7)
32 3⁄4" (5)
40 1⁄4" (5)
52 1⁄2" (4)
9" (4)
29 1/2" (4)
37 3⁄8" (4)
45" (4)
52 1⁄16" (4)
22 1/4" (4)
19 1⁄8" (4)
11" (3)
9 1/2" (3)
14" (3)
47 3⁄8" (3)
19 5⁄8" (3)
6 1⁄8" (3)
28" (3)
29" (3)
21" (3)
8" (3)
47 3⁄4" (3)
23" (2)
17 7⁄8" (2)
67 3⁄4" (2)
7 3⁄8" (2)
39 7⁄8" (2)
27" (2)
32 5⁄16" (2)
6" (2)
19 13/16" (2)
32 3⁄8" (2)
18 7⁄8" (1)
25 1/8" (1)
5 3/8" (1)
12 7/8" (1)
28 1⁄8" (1)
9 3⁄8" (1)
32 7⁄8" (1)
24 7⁄16" (1)
25" (1)
13 7⁄16" (1)
5 7/16" (1)
4 3⁄8" (1)
11 7⁄8" (1)
10 9/32" (1)
8 7⁄8" (1)
40 5/8" (1)
20" (1)
67 3⁄8" (1)
17 1⁄4" (1)
21 3⁄8" (1)
57" (1)
19 1⁄16" (1)
17 7⁄16" (1)
15 1/4" (1)
34" (1)
10" (1)
18 3/8" (1)
17 3⁄4" (5)
6 5⁄16" (5)
19 7⁄8" (4)
10 3⁄4" (4)
17 1⁄2" (4)
23 1⁄2" (4)
13 3⁄4" (4)
19" (4)
9 1⁄4" (4)
24" (3)
18 5/8" (3)
40" (3)
16 1⁄4" (3)
11 3⁄4" (3)
16 1/8" (3)
21 1⁄4" (3)
22" (3)
47 7⁄8" (3)
12 1⁄2" (3)
8 1⁄16" (3)
6 7⁄8" (2)
26" (2)
13 9⁄16" (2)
15" (2)
11 1⁄2" (2)
44" (2)
32 7⁄16" (2)
10 5/8" (2)
10 7⁄8" (2)
27 1⁄2" (2)
7 1⁄2" (2)
40 3⁄8" (2)
7 3⁄4" (2)
7 7⁄8" (2)
8 1/2" (2)
39 3⁄8" (2)
17 3⁄8" (2)
47" (2)
35" (1)
51 7⁄8" (1)
18 11⁄16" (1)
20 3⁄16" (1)
11 3⁄8" (1)
25 1⁄4" (1)
19 (1)
3 1⁄2" (1)
17 1⁄8" (1)
19 1/4" (1)
121 (1)
3 3⁄4" (1)
7 3/8" (1)
19 1⁄2" (1)
78 1⁄16" (1)
16 7⁄8" (1)
10 3/16" (1)
32 1⁄2" (1)
14 5/8" (1)
46 7⁄8" (1)
3" (1)
2 3/8" (1)
38" (1)
18 1/2" (1)
21 1/2" (1)
54" (1)
30" (1)
70" (1)
16.9375 (1)
68 1⁄16" (1)
1 15/16" (1)
52 5/8" (1)
57 1⁄16" (1)
31" (1)
5" (1)
12 5⁄16" (1)
12 7⁄16" (1)
2 1/8" (1)
16" (1)
68" (1)
32" (1)
8 1⁄8" (1)
1 3/8" (1)
6 5/8" (1)
39 1/2" (1)
57 1⁄2" (1)
13 7⁄8" (1)
1 11/16" (1)
127" (1)
6 3⁄8" (1)
9 1/16" (1)
22 5/8" (1)
29 1⁄24" (1)
2 5/16" (1)
31 7⁄8" (1)
45 1/8" (1)
30 1/8" (1)
37 5/8" (1)
2 3/4" (1)
1 1⁄2" (1)
1 3⁄4" (1)
56 1⁄2" (1)
4 11⁄16" (1)
19 3⁄16" (1)
62" (1)
30 3⁄8" (1)
11 7⁄16" (1)
319" (1)
2 11/16" (1)
10 9⁄16" (1)

More Options Show Less

Power Density

46 W/in2 (13)
47 W/in2 (12)
48 W/in2 (10)
51 W/in2 (10)
23 W/in2 (9)
15 W/in2 (9)

46 W/in2 (13)
47 W/in2 (12)
48 W/in2 (10)
51 W/in2 (10)
23 W/in2 (9)
15 W/in2 (9)
53 W/in2 (9)
86 W/in2 (8)
43 W/in2 (6)
24 W/in2 (6)
49 W/in2 (6)
50 W/in2 (4)
20 W/in2 (9)
40 W/in2 (8)
64 W/in2 (7)
85 W/in2 (6)
26 W/in2 (4)
79 W/in2 (4)
45 W/in2 (4)
21 W/in2 (3)
10 W/in2 (3)
38 W/in2 (2)
82 W/in2 (2)
184 W/in2 (1)
153 W/in2 (1)
94 W/in2 (1)
37 W/in2 (1)
78 W/in2 (6)
83 W/in2 (4)
44 W/in2 (4)
32 W/in2 (3)
34 W/in2 (3)
65 W/in2 (3)
25 W/in2 (3)
60 W/in2 (2)
35 W/in2 (2)
8 W/in2 (2)
31 W/in2 (2)
42 W/in2 (2)
70 W/in2 (2)
30 W/in2 (2)
33 W/in2 (1)
13 W/in2 (1)
6 W/in2 (1)
73 W/in2 (1)
Oil 11 W/in2 Water 11 W/in2, 80 W/in2 (1)
36 W/in2 (1)
76 W/in2 (1)
16 W/in2 (1)
56 W/in2 (1)
39 W/in2 (1)
12.9 W/in2 (1)
52 W/in2 (1)
67 W/in2 (1)
80 W/in2 (1)
Oil 15 W/in2 Water 15 W/in2, 59 W/in2 (1)
55 W/in2 (1)
Oil 5 W/in2, 15 W/in2 Water 5 W/in2, 15 W/in2, 2 W/in2, 20 W/in2, 78 W/in2 (1)
28 W/in2 (1)
18 W/in2 (1)
58 W/in2 (1)
98 W/in2 (1)
41 W/in2 (1)
61 W/in2 (1)
14 W/in2 (1)
Oil 15 W/in2, 5 W/in2 Water 15 W/in2, 59 W/in2, 5 W/in2 (1)
62 W/in2 (1)
57 W/in2 (1)
69 W/in2 (1)
77 W/in2 (1)
11.7 W/in2 (1)
Oil 20 W/in2, Water 20 W/in2, 78 W/in2 (1)
17 W/in2 (1)
Oil 6 W/in2, 21 W/in2 Water 6 W/in2, 59 W/in2, 21 W/in2, 80 W/in2 (1)
22 W/in2 (1)

More Options Show Less

Supply Voltage

240V (71)
480V (50)
120V (42)
208V (20)
120V/240V (2)
120V, 208V, 240V, 480V (1)

240V (71)
480V (50)
120V (42)
208V (20)
120V/240V (2)
120V, 208V, 240V, 480V (1)
120V, 208V, 240V (1)
240V, 480V (1)
120/240V (1)

More Options Show Less

Enclosure Type

General Purpose NEMA-1 rated (44)
Moisture Resistant/Explosion Resistant Enclosure (38)
Moisture Resistant Terminal Enclosure (8)
Explosion Resistant Enclosure (4)
NEMA 4 Electrical Enclosure (3)
Compact General Purpose NEMA-1 Enclosure (1)

General Purpose NEMA-1 rated (44)
Moisture Resistant/Explosion Resistant Enclosure (38)
Moisture Resistant Terminal Enclosure (8)
Explosion Resistant Enclosure (4)
NEMA 4 Electrical Enclosure (3)
Compact General Purpose NEMA-1 Enclosure (1)
Monel (1)
Electrical Enclosure (1)
Vapor-Tight Terminal Enclosure (1)
Not Applicable (1)
Style C Terminal Enclosure (1)

More Options Show Less

Supply Voltage Type

1 Phase (52)
3 Phase (39)
Not Applicable (1)
1 Phase, 3 Phase (1)

Sheath Material

Incoloy (20)
Steel (23)
Copper (17)
Stainless Steel (16)
316 Stainless Steel (3)
Fluoropolymer Coated Stainless Steel (3)

Incoloy (20)
Steel (23)
Copper (17)
Stainless Steel (16)
316 Stainless Steel (3)
Fluoropolymer Coated Stainless Steel (3)
Incoloy Elements and Stainless Steel (1)
Stainless Steel with PFA Coating (1)
Passivated Stainless Steel (2)
304 Stainless Steel (1)
316 Stainless Steel (Electropolished) (1)
Copper Sheath Nickel Plated Elements (1)
321 Stainless Steel (1)
Titanium (1)
316 Stainless Steel (Bright Annealed) (1)

More Options Show Less

Form Factor

Screw Plug Immersion (43)
Flanged Immersion (15)
Over the Side Immersion (15)
Side Mount Immersion (1)
Coupling Head Immersion (1)
Cartridge Immersion (1)

Connection Type

2 1/2" NPT (11)
2" NPT (18)
1" NPT (8)
1 1/4" NPT (6)
1/2" NPT (4)
3/4" NPT (3)

2 1/2" NPT (11)
2" NPT (18)
1" NPT (8)
1 1/4" NPT (6)
1/2" NPT (4)
3/4" NPT (3)
2 1/4" NPT (2)
None (2)
3-prong plug (1)
8 1/4" NPT (1)
13 1/4" NPT (1)
16 1/4" NPT (1)
5 1/4" NPT (1)
2 1/2" Square (1)
11 1/4" NPT (1)
14 1/4" NPT (1)
7 1/4" NPT (1)
17 1/4" NPT (1)
1/2" or 3/4" NPT (1)
12 1/4" NPT (1)
4 1/4" NPT (1)
10 to 30P Plug (1)
15 1/4" NPT (1)
3 1/4" NPT (1)
9 1/4" NPT (1)
10 1/4" NPT (1)
6 1/4" NPT (1)

More Options Show Less

Heated Medium

Water (9)
Medium Weight Oil (7)
Corrosive Fluids (9)
Light Weight Oil (8)
Process Water (7)
Clean Water (11)

Water (9)
Medium Weight Oil (7)
Corrosive Fluids (9)
Light Weight Oil (8)
Process Water (7)
Clean Water (11)
Water-Based solutions (6)
Clean Liquids (2)
Oil (2)
Steam (1)
Hard Water (1)
Sump Oil (1)
Mild Acid or Alkaline (1)
Salt Bath (1)
Reservoir Water (1)
Air (1)
Not Applicable (1)
Oil, Water (1)
Food Grade Liquids (1)
Heavy Weight Oil (1)

More Options Show Less

Features

Integral Thermostat (19)
Straight Element (5)
Curved Elements (4)
Heater Diameter 3" (1)
Heating Element Width 9" (1)
Heating Element Width 21" (1)

Integral Thermostat (19)
Straight Element (5)
Curved Elements (4)
Heater Diameter 3" (1)
Heating Element Width 9" (1)
Heating Element Width 21" (1)
Heating Element Width 13" (1)
Heating Element Width 25" (1)
Heating Element Width 17" (1)
Heating Element Width 29" (1)
Heating Element Width 11" (2)
Width 6" x Heated Length 9" (1)
Heating Element Width 6 3⁄4" (1)
Element Shape Straight (1)
Heating Element Width 11 1/8" (1)
Heating Element Width 14 1/2" (1)
Width 9" x Heated Length 38" (1)
Heating Element Width 11 1/16" (1)
Element Shape Round (1)
Width 6" x Heated Length 21" (1)
Heating Element Width 9 1/2" (1)
Heating Element Width 6 3/4" (1)
Width 6" x Heated Length 55" (1)
Closes, 80 oz (5 lb) Wt (1)
Width 6" x Heated Length 27" (1)
Width 6" x Heated Length 15" (1)
Foldback Element Design (1)
Heating Element Width 9 7⁄16" (1)
Opens, 32 oz (2 lb) Wt (1)
Width 9" x Heated Length 21" (1)
Opens, 80 oz (5 lb) Wt (1)
Heating Element Width 16 5/8" (1)
Width 9" x Heated Length 15" (1)
Width 9" x Heated Length 27" (1)
Closes, 32 oz (2 lb) Wt (1)
Heating Element Width 12 3/4" (1)
Heating Element Width 7 7⁄16" (1)
Integral Tupe J Thermocouple (1)
Width 6" x Heated Length 38" (1)
Opens, 48 oz (3 lb) Wt (1)

More Options Show Less

compliance

RoHS3 (33)
CE (20)

Maximum Operating Temperature

250°F (14)
100°F (10)
550°F (4)
212°F (1)
127°F (3)
187°F (3)

250°F (14)
100°F (10)
550°F (4)
212°F (1)
127°F (3)
187°F (3)
240°F (3)
115°F (1)
315°C (600°F) (1)
204°C (400°F) (1)
300°F (1)

More Options Show Less

Minimum Operating Temperature

60°F (17)
0°F (13)
200°F (4)
-73°C (-100°F) (1)
55F (1)

Riser Length

48" (4)
36" (4)
35" (1)
12" (1)
23" (1)
11" (1)

48" (4)
36" (4)
35" (1)
12" (1)
23" (1)
11" (1)
40" (1)
72" (1)
18" (1)
29" (1)
17" (1)
26" (4)
13" (1)
36 (1)
21" (1)
31" (1)
53" (1)
30" (1)
42' (1)
39 5/16" (1)
51 5/16" (1)
39 3/4" (1)
11 1⁄8" (1)
37" (1)

More Options Show Less

Flange

3"- 150 lb (8)
5" - 150 lb (7)
6" - 150 lb (5)
8" - 150 lb (2)
2 1⁄2" Square Steel (2)
Conduit Box (1)

3"- 150 lb (8)
5" - 150 lb (7)
6" - 150 lb (5)
8" - 150 lb (2)
2 1⁄2" Square Steel (2)
Conduit Box (1)
6 1⁄2" Dia. Steel Flange (1)
2 1/2" Square Steel (1)
3 1⁄2" Square Steel (1)

More Options Show Less

Immersion Heaters

Grid Table

Sort by:

75 Products

Added to Your Shopping Cart

SS Immersion Heater with Multiple Screw Plug Sizes

Immersion heater with stainless steel sheath element, 0.5", 0.75", 1.25" and 2.25" NPT screw fitting, fiberglass leads and power up to 1 kW.

View Specs

See More Items from this Family (6)

Added to Your Shopping Cart

Self Regulating SS or PFA Coated SS Immersion Heater

Self regulating immersion heater with stainless steel or flouropolymer over stainless steel sheath elements, features 3-prong plug and designed for oil, compressors and more.

View Specs

See More Items from this Family (8)

Added to Your Shopping Cart

Copper or Incoloy Flanged Immersion Heater Water Heaters

Immersion heater with copper or incoloy sheath elements, 2.5" flange mounted, designed for use in industrial water heaters or boiler and up to 18 kW of power.

View Specs

See More Items from this Family (9)

Added to Your Shopping Cart

Plug and Receptacle Immersion Heater 1" NPT Water and Oil

Immersion heater with copper or steel sheath element,1" NPT screw plug fitting, designed for water and oil based applications and features plug and receptacle connection.

View Specs

See More Items from this Family (15)

Added to Your Shopping Cart

PFA Coated SS Immersion Heater Side Mount

Immersion heater with flouropolymer coated stainless steel elements and over the side mounting. Overtemperature protection and multiple element lengths available.

View Specs

See More Items from this Family (22)

Added to Your Shopping Cart

SS Flanged Immersion Heater Process Water

Immersion heater with copper, stainless steel or incoloy sheath element, 3", 5",or 6" flange mounted, up to 36 kW power and designed for process water applications.

View Specs

See More Items from this Family (23)

Added to Your Shopping Cart

Incoloy L-Shaped Immersion Heater Over the Side

Immersion heater with incoloy sheath element, over the side mounted, L-shaped heating elements, primarily designed for corrosive applications and optional thermostat.

View Specs

See More Items from this Family (25)

Added to Your Shopping Cart

Incoloy Flanged Immersion Heater Solution Water

Immersion heater with incoloy sheath element, 3", 5", 6" or 8" flange mounted, designed for corrosive water based applications and explosion resistant options.

View Specs

See More Items from this Family (25)

Added to Your Shopping Cart

SS Immersion Heater 1.25" NPT Process Water

Immersion heater with stainless steel sheath element, 1.25" NPT screw plug fitting and designed for process water. Explosion resistant options available.

View Specs

See More Items from this Family (5)

Added to Your Shopping Cart

Incoloy Immersion Heater 2" NPT Solution Water Thermostat

Immersion heaters with incoloy sheath element, 2" NPT screw fitting and integrated thermostat for water based solution applications. Explosion proof option available.

View Specs

See More Items from this Family (7)

Added to Your Shopping Cart

Variable Material Immersion Heater Variable NPT Oil

Screw Plug Immersion Heaters

View Specs

Added to Your Shopping Cart

SS Immersion Heater 2.5" NPT Medium Weight Oil

Immersion heater with stainless steel sheath element, 2.5" NPT screw plug fitting and designed for medium weight oil. Enclosure NEMA-1 rated and explosion resistant options.

View Specs

See More Items from this Family (8)

Added to Your Shopping Cart

Incoloy Deep Tank Immersion Heater Flanged

Deep tank immersion heater with incoloy or stainless steel sheath element, flange mounted, integrated thermostat and designed for indoor and outdoor applications.

View Specs

See More Items from this Family (4)

Added to Your Shopping Cart

Incoloy Immersion Heater 2" NPT Clean Water

Immersion heater with 3 incoloy sheath elements, 2" NPT fitting and compatible with difficult clean liquids. Power up to 10 kW and energy efficient.

View Specs

See More Items from this Family (9)

Added to Your Shopping Cart

Copper Immersion Heater 2" NPT Clean Water Thermostat

Immersion heaters with copper sheath element, 2" NPT screw fitting and integrated thermostat for clean water applications. Explosion proof options available.

View Specs

See More Items from this Family (34)

Added to Your Shopping Cart

Copper Immersion Heater 2.5" NPT Clean Water

Immersion heater with copper sheath element, 2.5" NPT screw plug fitting and designed for clean water applications. Explosion resistant options available.

View Specs

See More Items from this Family (27)

Added to Your Shopping Cart

SS Immersion Heater 2.5" NPT Light Weight Oil

Immersion heater with stainless steel sheath element, 2.5" NPT screw plug fitting and designed for light weight oil. Enclosure NEMA-1 rated and explosion resistant options.

View Specs

See More Items from this Family (31)

Added to Your Shopping Cart

Steel Immersion Heater 2.5" NPT Medium Weight Oil Thermostat

Immersion heaters with steel sheath element, 2.5" NPT screw fitting and integrated thermostat for medium weight oil applications. Explosion proof option available.

View Specs

See More Items from this Family (17)

Added to Your Shopping Cart

Incoloy Immersion Heater 2.5" NPT Solution Water Thermostat

Immersion heaters with incoloy sheath element, 2.5" NPT screw fitting and integrated thermostat for water based solution applications. Explosion proof option available.

View Specs

See More Items from this Family (3)

Added to Your Shopping Cart

SS Immersion Heater 2" NPT Medium Weight Oil

Immersion heater with stainless steel sheath element, 2" NPT screw plug fitting and designed for medium weight oil. Enclosure NEMA-1 rated and explosion resistant options.

View Specs

See More Items from this Family (11)

Sort by:

Related Products

Incoloy Immersion Heater 2" NPT for Solution Water

Quick View

Incoloy Immersion Heater 2" NPT for Solution Water

Durable Incoloy Sheath for Superior Corrosion Protection2' NPT Stainless Steel Screw Plug120, 240, 480 V, 1 Phase PowerGeneral Purpose-UL Listed Enclosure or Moisture Resistant/Explosion Resistant Enclosure.

SS Immersion Heater Over the Side Corrosive Solutions

Quick View

SS Immersion Heater Over the Side Corrosive Solutions

PTHF Series • Corrosion Resistant • Solutions up to 212°F (100°C) • Thin Blade Heating Element • 1 or 3 Phase Design • Overtemperature Protection CIT Series • 3 to 10 kW • 240 V, 1 Phase • Used for ...

Copper Flanged Immersion Heater Food Grade Liquids

Quick View

Copper Flanged Immersion Heater Food Grade Liquids

TTUH-CO Series • Brass Flange • Copper Sheath • High Watt Density • Without Contactor • Integral Low Liquid Thermal Cutout TTUH Series • High Watt Density • Brass Flange • Copper Sheath • Without Integral Low-Liquid Cutout • Bottom ...

Incoloy Immersion Heater 2.5" NPT Solution Water

Quick View

Incoloy Immersion Heater 2.5" NPT Solution Water

NEMA 1 Rated, E1 General Purpose Enclosure or Moisture Resistant/Explosion Resistant EnclosurePremium Quality Stainless Steel Screw Plug240 and 480V, 3 Phase3 to 18 kW.

More Related Items

incoloy water immersion heater

20amp 30 90c

steel over the side immersion heater

immersion heater

water immersion heater

Immersion Heaters

Immersion heaters are an essential tool in many industrial, commercial, and laboratory applications. These devices are used for a wide variety of purposes, including heating fluids, controlling temperatures, and providing a clean and reliable source of heat.

Omega Engineering offers a comprehensive selection of immersion heaters designed and manufactured to the highest standards. Our range of self-regulating stainless steel or PFA-coated stainless steel immersion heaters offer high-quality construction and a 3-prong plug for easy installation. We also offer immersion heaters with multiple screw plug sizes, flanged options, and integrated thermostats. Our heaters are designed for use with oil, compressors, process water, and other fluids. All of our immersion heaters are built with corrosion-resistant materials and are rated for use in NEMA-1 enclosures. Our heaters are available in a variety of sizes, ranging from 0.5â€ to 6â€, and power levels up to 36 kW.