STS Thermal SystemsSTS Thermal Systems
STS Thermal Systems

2 inch NPT Screw Plug Immersion

Material
E
F
H
Brass
1 ¼
1 ¾
Steel & Stainless
1 ⅜
9⁄16
1 ¾

 

23 Watts/Sq. Inch - 3 elements
Immersed 
Length "B" 
KW
Volts
STEEL PLUG
Oils & Alkali 
Solutions
STAINLESS PLUG
Air & 
Corrosive
Net
Wt.
(lbs.)
11 ⅞
2.25
240
480
LM3-22-3
LM3-22-5
NM3-22-3
NM3-22-5
9
17 ½
3
240
480
LM3-30-3
LM3-30-5
NM3-30-3
NM3-30-5
9
19 ¾
3.75
240
480
LM3-37-3
LM3-37-5
NM3-37-3
NM3-37-5
10
24 ⅝
4.5
240
480
LM3-45-3
LM3-45-5
NM3-45-3
NM3-45-5
10
32 ⅝
6
240
480
LM3-60-3
LM3-60-5
NM3-60-3
NM3-60-5
12
40 ¼
7.5
240
480
LM3-75-3
LM3-75-5
NM3-75-3
NM3-75-5
13
47 ½
9
240
480
LM3-90-3
LM3-90-5
NM3-90-3
NM3-90-5
15
51 ⅜
10
240
480
LM3-100-3
LM3-100-5
NM3-100-3
NM3-100-5
16
64 ½
12.5
240
480
LM3-125-3
LM3-125-5
NM3-125-3
NM3-125-5
18
77 ½
15
240
480
LM3-150-3
LM3-150-5
NM3-150-3
NM3-150-5
21

 

48 Watts/Sq. Inch - 3 elements
Immersed 
Length "B" 
KW
Volts
BRASS PLUG
Water
Solutions
STAINLESS PLUG
Mild
Corrosives
Net
Wt.
(lbs.)
8 ¼
 
 
3
240
480
HH3-30-3
HH3-30-5
NH3-30-3
NH3-30-5
8
9 ¾
3.75
240
480
HH3-37-3
HH3-37-5
NH3-37-3
NH3-37-5
9
12 ¼
4.5
240
480
HH3-45-3
HH3-45-5
NH3-45-3
NH3-45-5
9
17 ½
6
240
480
HH3-60-3
HH3-60-5
NH3-60-3
NH3-60-5
9
19 ¼
7.5
240
480
HH3-75-3
HH3-75-5
NH3-75-3
NH3-75-5
10
24 ⅝
9
240
480
HH3-90-3
HH3-90-5
NH3-90-3
NH3-90-5
10
32 ½
12
240
480
HH3-120-3
HH3-120-5
NH3-120-3
NH3-120-5
12
40¼
15
240
480
HH3-150-3
HH3-150-5
NH3-150-3
NH3-150-5
13
47 ½
18
240
480
HH3-180-3
HH3-180-5
NH3-180-3
NH3-180-5
15
51 ⅜
20
240
480
HH3-200-3
HH3-200-5
NH3-200-3
NH3-200-5
16

 

23 Watts/Sq. Inch - 2 elements
Immersed 
Length "B" 
KW
Volts
STEEL PLUG
Oils & Alkali 
Solutions
STAINLESS PLUG
Air & 
Corrosive
Net
Wt.
(lbs.)
11 ⅞
1.5
240
480
LM2-15-2
LM2-15-4
NM2-15-2
NM2-15-4
7
17 ½
2
240
480
LM2-20-2
LM2-20-4
NM2-20-2
NM2-20-4
8
19 ¾
2.5
240
480
LM2-25-2
LM2-25-4
NM2-25-2
NM2-25-4
8
24 ⅝
3
240
480
LM2-30-2
LM2-30-4
NM2-30-2
NM2-30-4
9
32 ½
4
240
480
LM2-40-2
LM2-40-4
NM2-40-2
NM2-40-4
9
40 ⅛
5
240
480
LM2-50-2
LM2-50-4
NM2-50-2
NM2-50-4
11
47 ⅜
6
240
480
LM2-60-2
LM2-60-4
NM2-60-2
NM2-60-4
11

 

48 Watts/Sq. Inch - 2 Elements
Immersed 
Length "B" 
KW
Volts
Brass Plug
Water
Solutions
STAINLESS PLUG
Mild
Corrosive
s
Net
Wt.
(lbs.)
8 1/4

2

240
480

HH2-20-2
HH2-20-4

NH2-20-2
NH2-20-4

7

9 3/4

2.5

240
480

HH2-25-2
HH2-25-4

NH2-25-2
NH2-25-4

7

12 1/4

3

240
480

HH2-30-2
HH2-30-4

NH2-30-2
NH2-30-4

7

17 1/2

4

240
480

HH2-40-2
HH2-40-4

NH2-40-2
NH2-40-4

8

19 1/4

5

240
480

HH2-50-2
HH2-50-4

NH2-50-2
NH2-50-4

8

24 5/8

6

240
480

HH2-60-2
HH2-60-4

NH2-60-2
NH2-60-4

9

32 3/8

8

240
480

HH2-80-2
HH2-80-4

NH2-80-2
NH2-80-4

9

40 1/4

10

240
480

HH2-100-2
HH2-100-4

NH2-100-2
NH2-100-4

11

47 1/2

12

240
480

HH2-120-2
HH2-120-4

NH2-120-2
NH2-120-4

11

2 Inch Screw Plug
704-399-4248