STS Thermal SystemsSTS Thermal Systems
STS Thermal Systems

1 ¼ inch NPT Screw Plug Immersion

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

20-23 Watts/Sq. Inch - Oil, Mild Corrosives, Air
Immersed 
Length "B" 
Watts
Volts
Single
Phase
BRASS PLUG
Oils & Alkali 
Solutions
STAINLESS PLUG
Air & 
Corrosive
Net
Wt.
(lbs.)
6 3⁄16
500
120
240
FM2-500-1
FM2-500-2
GM2-500-1
GM2-500-2
1.5
9 3⁄16
750
120
240
FM2-750-1
FM2-750-2
GM2-750-1
GM2-750-2
1.5
12 3⁄16
1000
120
240
FM2-1000-1
FM2-1000-2
GM2-1000-1
GM2-1000-2
1.75
16 ⅛
1250
120
240
FM2-1250-1
FM2-1250-2
GM2-1250-1
GM2-1250-2
1.75
19 ¼
1500
120
240
FM2-1500-1
FM2-1500-2
GM2-1500-1
GM2-1500-2
1.75
25 ⅜
2000
120
240
FM2-2000-1
FM2-2000-2
GM2-2000-1
GM2-2000-2
2
36 ⅝
3000
120
240
FM2-3000-1
FM2-3000-2
GM2-3000-1
GM2-3000-2
 

60-86 Watts/Sq. Inch - Water & Mild Solutions
Immersed 
Length "B" 
Watts
Volts
Single
Phase
BRASS PLUG
Water
Solutions
STAINLESS PLUG
Mild
Corrosive
Net
Wt.
(lbs.)
6 ¼
 
 
500
120
240
DH1-500-1
DH1-500-2
GH1-500-1
GH1-500-2
4
750
120
240
DH1-750-1
DH1-750-2
GH1-750-1
GH1-750-2
4
1000
120
240
DH2-1000-1
DH2-1000-2
GH2-1000-1
GH2-1000-2
4
1500
120
240
DH2-1500-1
DH2-1500-2
GH2-1500-1
GH2-1500-2
4
2000
120
240
DH2-2000-1
DH2-2000-2
GH2-2000-1
GH2-2000-2
4
8 ⅜
2500
120
240
DH2-2500-1
DH2-2500-2
GH2-2500-1
GH2-2500-2
5
9 ½
3000
120
240
DH2-3000-1
DH2-3000-2
GH2-3000-1
GH2-3000-2
5
12 ½
4000
240
DH2-4000-2
GH2-4000-2
5
22 ¼
5000
240
DH2-5000-2
GH2-5000-2
6
26 ⅜
6000
240
DH2-6000-2
GH2-6000-2
6

1.25 Inch Screw Plug
704-399-4248