
5
1
/
4
"
approx.
2
3
/
4
"
1
1
/4"
NPT opening
5
1
/4"
4
1
/4"
dia.
3" app
rox.
2
5
/
16
"
1" NPT opening
4
1
/2"
3
1
/2"
dia.
5
5
/
16
"
app
rox.
3
1
3
/
16
"
1
1
/2"
NPT opening
6
13
/16"
5
3
/4"
dia.
2
13
/
1
6
"
3
1
/
2
"
4
1
/
8
"
4
3
/
4
"
4
5
/
16
"
4
1
/
4
"
2” NPT Screw Plug Immersion Heater
Two element design - one phase only
50-60 watts/in2Copper Sheath Typically to heat:
2” brass screw plug municipal water
2
elements - up to 600 volts 1 phase
(specifiy voltage when ordering)
watts immersed catalogue number net
1500 6 1/
2000 7 1/
2500 9 1/
3000 11 1/
4000 17 3/
length Fig.67 Fig.68 weight
B dim. standard with thermostat (lb)
SPC-2015 ASPC-2015 6
2
SPC-2020 ASPC-2020 6
2
SPC-2025 ASPC-2025 6
2
SPC-2030 ASPC-2030 7
2
SPC-2040 ASPC-2040 7
4
5000 19 SPC-2050 ASPC-2050 7
6000 24 1/
SPC-2060 ASPC-2060 8
2
7000 28 SPC-2070 ASPC-2070 8
8000 32 1/
10000 39 3/
12000 47 1/
SPC-2080 ASPC-2080 9
2
SPC-2100 ASPC-2100 9
8
SPC-2120 ASPC-2120 10
4
15000 54 SPC-2150 ASPC-2150 10
50-60 watts/in2Incoloy Typically to heat:
2”316 SS screw plug municipal water
2 elements - up to 600 volts 1 phase process water
(specifiy voltage when ordering)
watts immersed catalogue number net
length Fig.67 Fig.68 weight
B dim. standard with thermostat (lb)
Standard (SP series)
General Purpose Enclosure - no thermostat
Figure 67
With thermostat (ASP series)
eneral Purpose Enclosure - with thermostat
G
10 - 120°C (50 - 250°F)
240 vac,25 amp, SPST
Figure 68
Moisture Resistant or Hazardous Location
Moisture Resistant Enclosure (add suffix MR)
Hazardous Location (E
on-Thermostat version - (NEMA 4 or NEMA 7)
N
Figure 69
xplosion Resistant add suffix ER)
SP series
1500 6 1/
2000 7 1/
2500 9 1/
3000 11 1/
4000 17 3/
2
2
2
2
4
SPI-2015 ASPI-2015 6
SPI-2020 ASPI-2020 6
SPI-2025 ASPI-2025 6
SPI-2030 ASPI-2030 7
SPI-2040 ASPI-2040 7
5000 19 SPI-2050 ASPI-2050 7
6000 24 1/
2
7000 28 SPI-2070 ASPI-2070 8
8000 32 1/
10000 39 3/
12000 47 1/
2
8
4
SPI-2060 ASPI-2060 8
SPI-2080 ASPI-2080 9
SPI-2100 ASPI-2100 9
SPI-2120 ASPI-2120 10
ASP series
Built-in Thermostat SPST
(NEMA 4 or NEMA 7)
Figure 70
15000 54 SPI-2150 ASPI-2150 10
50-60 watts/in2316 SS Sheath Typically to heat:
2”316 SS screw plug food processing
2 elements - up to 600 volts 1 phase de-ionized water
(specifiy voltage when ordering) mild acid solution
watts immersed catalogue number net
1500 6 1/
2000 7 1/
2500 9 1/
3000 11 1/
4000 17 3/
length Fig.67 Fig.68 weight
B dim. standard with thermostat (lb)
SPS-2015 ASPS-2015 6
2
SPS-2020 ASPS-2020 6
2
SPS-2025 ASPS-2025 6
2
SPS-2030 ASPS-2030 7
2
SPS-2040 ASPS-2040 7
4
Optional Thermostats
A
vailable temperature ranges and/or electrical choices
Temperature ranges Electrical ranges
-16 to + 40°C (0-100°F) 240 vac, 25 amp, DPST
70 - 280°C (160 - 540°F) 480 vac, 15 amp, TPST
160 - 370°C (320-700°F) 600 vac,15 amp,TPST
Moisture Resistant or Hazardous Location - ASP series
with any optional thermostat
oisture Resistant Enclosure (add suffix MR)
M
dous Location (E
Hazar
DPST or TPST
(NEMA 4 or NEMA 7)
xplosion Resistant add suffix ER)
5000 19 SPS-2050 ASPS-2050 7
6000 24 1/
7000 28 SPS-2070 ASPS-2070 8
8000 32 1/
10000 39 3/
12000 47 1/
15000 54 SPS-2150 ASPS-2150 10
SPS-2060 ASPS-2060 8
2
SPS-2080 ASPS-2080 9
2
SPS-2100 ASPS-2100 9
8
SPS-2120 ASPS-2120 10
4
Figure 71
B3

2” NPT Screw Plug Immersion Heater
5
1
/
4
"
approx.
2
3
/
4
"
1
1
/4"
NPT opening
5
1
/4"
4
1
/4"
dia.
3" app
rox.
2
5
/
16
"
1" NPT opening
4
1
/2"
3
1
/2"
dia.
5
5
/
16
"
app
rox.
3
1
3
/
16
"
1
1
/2"
NPT opening
6
13
/16"
5
3
/4"
dia.
2
13
/
1
6
"
3
1
/
2
"
4
1
/
8
"
4
3
/
4
"
4
5
/
16
"
4
1
/
4
"
Two element design - one phase only
Standard (SP series)
eneral Purpose Enclosure - no thermostat
G
Figure 72
With thermostat (ASP series)
General Purpose Enclosure - with thermostat
10 - 120°C (50 - 250°F)
240 vac,25 amp, SPST
Figure 73
Moisture Resistant or Hazardous Location
Moisture Resistant Enclosure (add suffix MR)
Hazardous Location (Explosion Resistant add suffix ER)
Non-Thermostat version - (NEMA 4 or NEMA 7)
Figure 74
SP series
25 watts/in2Steel Sheath Typically to heat:
2” steel screw plug light oils
2
elements - up to 600 volts 1 phase
(specifiy voltage when ordering)
watts immersed catalogue number net
750 6 1/
1000 7 1/
1250 9 1/
1500 11 1/
2000 17 3/
length Fig.72 Fig.73 weight
B dim. standard with thermostat (lb)
SPO-2007 ASPO-2007 6
2
SPO-2010 ASPO-2010 6
2
SPO-2012 ASPO-2012 6
2
SPO-2015 ASPO-2015 7
2
SPO-2020 ASPO-2020 7
4
2500 19 SPO-2025 ASPO-2025 7
3000 24 1/
SPO-2030 ASPO-2030 8
2
3500 28 SPO-2035 ASPO-2035 8
4000 32 1/
5000 39 3/
6000 47 1/
SPO-2040 ASPO-2040 9
2
SPO-2050 ASPO-2050 9
8
SPO-2060 ASPO-2060 10
4
7000 54 SPO-2070 ASPO-2070 10
12 watts/in2Steel Sheath Typically to heat:
2” steel screw plug hydraulic oils,
2 elements - up to 600 volts 1 phase heavy oils
(specifiy voltage when ordering )
watts immersed catalogue number net
length Fig.72 Fig.73 weight
B dim. standard with thermostat (lb)
350 6 1/
500 7 1/
635 9 1/
750 11 1/
1000 17 3/
SPOL-2003 ASPOL-2003 6
2
SPOL-2005 ASPOL-2005 6
2
SPOL-2006 ASPOL-2006 6
2
SPOL-2007 ASPOL-2007 7
2
SPOL-2010 ASPOL-2010 7
4
1250 19 SPOL-2012 ASPOL-2012 7
ASP series
Built-in Thermostat SPST
(NEMA 4 or NEMA 7)
Figure 75
1500 24 1/
1750 28 SPOL-2017 ASPOL-2017 8
2000 32 1/
2500 39 3/
3000 47 1/
SPOL-2015 ASPOL-2015 8
2
SPOL-2020 ASPOL-2020 9
2
SPOL-2025 ASPOL-2025 9
8
SPOL-2030 ASPOL-2030 10
4
3500 54 SPOL-2035 ASPOL-2035 10
Optional Thermostats
Available temperature ranges and/or electrical choices
Temperature ranges Electrical ranges
-16 to + 40°C (0-100°F) 240 vac, 25 amp, DPST
70 - 280°C (160 - 540°F) 480 vac, 15 amp, TPST
160 - 370°C (320-700°F) 600 vac,15 amp,TPST
Moisture Resistant or Hazardous Location - ASP series
with any optional thermostat
Moisture Resistant Enclosure (add suffix MR)
Hazardous Location (Explosion Resistant add suffix ER)
DPST or TPST
(NEMA 4 or NEMA 7)
25 watts/in2Incoloy Sheath Typically to heat:
2” steel screw plug light oils,
2 elements - up to 600 volts 1 phase mild caustic solution
(specifiy voltage when ordering ) mild alkaline solution
watts immersed catalogue number net
750 6 1/
1000 7 1/
1250
1500
2000 17
length Fig.72 Fig.73 weight
B dim. standard with thermostat (lb)
SPA-2007 ASPA-2007 6
2
SPA-2010 ASPA-2010 6
2
1
9
11
/
2
1
/
2
3
/
4
A-2012 ASPA-2012 6
SP
A-2015 ASPA-2015 7
SP
SPA-2020 ASPA-2020 7
2500 19 SPA-2025 ASPA-2025 7
3000 24 1/
Figure 76
3500 28 SPA-2035 ASPA-2035 8
1
4000
5000
6000
7000
32
/
3
39
/
1
47
/
54 SPA-2070 ASPA-2070 10
B4
SPA-2030 ASPA-2030 8
2
A-2040 ASPA-2040 9
SP
2
8
4
A-2050 ASPA-2050 9
SP
A-2060 ASPA-2060 10
SP

2” NPT Screw Plug Immersion Heater
5
1
/
4
"
approx.
2
3
/
4
"
1
1
/4"
NPT opening
5
1
/4"
4
1
/4"
dia.
3" app
rox.
2
5
/
16
"
1" NPT opening
4
1
/2"
3
1
/2"
dia.
5
5
/
16
"
app
rox.
3
1
3
/
16
"
1
1
/2"
NPT opening
6
13
/16"
5
3
/4"
dia.
2
13
/
16
"
3
1
/2"
4
1
/4"
4
3
/
4
"
4
5
/16"
4
1
/4"
Three element design - one or three phase
50-60 watts/in2Copper Sheath Typically to heat:
2” brass screw plug municipal water
3
elements - up to 600 volts, 1 or 3 phase
(specifiy voltage and phase when ordering)
watts immersed catalogue number net
2250 6 1/
3000 7 1/
3750 9 1/
4500 11 1/
6000 17 3/
length Fig.77 Fig.78 weight
B dim. standard with thermostat (lb)
SPC-3022-P ASPC-3022-P 6
2
SPC-3030-P ASPC-3030-P 6
2
SPC-3037-P ASPC-3037-P 6
2
SPC-3045-P ASPC-3045-P 7
2
SPC-3060-P ASPC-3060-P 7
4
7500 19 SPC-3075-P ASPC-3075-P 7
9000 24 1/
SPC-3090-P ASPC-3090-P 8
2
10500 28 SPC-3105-P ASPC-3105-P 8
12000 32 1/
15000 39 3/
18000 47 1/
SPC-3120-P ASPC-3120-P 9
2
SPC-3150-P ASPC-3150-P 9
8
SPC-3180-P ASPC-3180-P 10
4
22500 54 SPC-3225-P ASPC-3225-P 10
50-60 watts/in2Incoloy Sheath Typically to heat:
2”stainless steel screw plug municipal water
3 elements - up to 600 volts,1 or 3 phase process water
(specifiy voltage and phase when ordering)
watts immersed catalogue number net
length Fig.77 Fig.78 weight
B dim. standard with thermostat (lb)
Standard (SP series)
General Purpose Enclosure - no thermostat
Figure 77
With thermostat (ASP series)
eneral Purpose Enclosure - with thermostat
G
10 - 120°C (50 - 250°F)
240 vac,25 amp, SPST
Figure 78
Moisture Resistant or Hazardous Location
Moisture Resistant Enclosure (add suffix MR)
dous Location (E
Hazar
Non-Thermostat version - ( NEMA 4 or NEMA 7)
Figure 79
xplosion Resistant add suffix ER)
SP series
2250 6 1/
3000 7 1/
3750 9 1/
4500 11 1/
6000 17 3/
SPI-3022-P ASPI-3022-P 6
2
SPI-3030-P ASPI-3030-P 6
2
SPI-3037-P ASPI-3037-P 6
2
SPI-3045-P ASPI-3045-P 7
2
SPI-3060-P ASPI-3060-P 7
4
7500 19 SPI-3075-P ASPI-3075-P 7
9000 24 1/
10500 28 SPI-3105-P ASPI-3105-P 8
12000 32 1/
15000 39 3/
18000 47 1/
SPI-3090-P ASPI-3090-P 8
2
SPI-3120-P ASPI-3120-P 9
2
SPI-3150-P ASPI-3150-P 9
8
SPI-3180-P ASPI-3180-P 10
4
uilt-in Thermostat SPST
ASP ser
B
(NEMA
4 or NEMA 7)
ies
Figure 80
22500 54 SPI-3225-P ASPI-3225-P 10
Optional Thermostats
50-60 watts/in2SS Sheath Typically to heat:
2”316 SS screw plug food processing
3 elements - up to 600 volts,1 or 3 phase de-ionized water
(specifiy voltage and phase when ordering) mild acid solution
watts immersed c
2250 6 1/
3000 7 1/
3750 91/
4500 11 1/
6000 17 3/
length
B dim.
2
2
2
2
4
7500 19 SPS-3075-P ASPS-3075-P 7
9000 24 1/
2
10500 28 SPS-3105-P ASPS-3105-P 8
12000 32 1/
15000 39 3/
18000 47 1/
22500 54 SPS-3225-P ASPS-3225-P 10
2
8
4
atalogue number
Fig.77 Fig.78 weight
standard with thermostat (lb)
net
SPS-3022-P ASPS-3022-P 6
SPS-3030-P ASPS-3030-P 6
SPS-3037-P ASPS-3037-P 6
SPS-3045-P ASPS-3045-P 7
SPS-3060-P ASPS-3060-P 7
SPS-3090-P ASPS-3090-P 8
SPS-3120-P ASPS-3120-P 9
SPS-3150-P ASPS-3150-P 9
SPS-3180-P ASPS-3180-P 10
Available temperature ranges and/or electrical choices
Temperature ranges Electrical ranges
-16 to + 40°C (0-100°F) 240 vac, 25 amp, DPST
70 - 280°C (160 - 540°F) 480 vac, 15 amp, TPST
160 - 370°C (320-700°F) 600 vac,15 amp,TPST
Moisture Resistant or Hazardous Location - ASP series
with any optional thermostat
M
oisture Resistant Enclosure (add suffix MR)
Hazardous Location (Explosion Resistant add suffix ER)
DPST or TPST
(NEMA 4 or NEMA 7)
Figure 81
B5

2” NPT Screw Plug Immersion Heater
5
1
/
4
"
approx.
2
3
/
4
"
1
1
/4"
NPT opening
5
1
/4"
4
1
/4"
dia.
3" app
rox.
2
5
/
16
"
1" NPT opening
4
1
/2"
3
1
/2"
dia.
5
5
/
16
"
app
rox.
3
1
3
/
16
"
1
1
/2"
NPT opening
6
13
/16"
5
3
/4"
dia.
2
13
/
16
"
3
1
/2"
4
1
/4"
4
3
/
4
"
4
5
/16"
4
1
/4"
Three element design - one or three phase
Standard (SP series)
General Purpose Enclosure - no thermostat
Figure 82
With thermostat (ASP series)
General Purpose Enclosure - with thermostat
10 - 120°C (50 - 250°F)
240 vac,25 amp, SPST
Figure 83
Moisture Resistant or Hazardous Location
Moisture Resistant Enclosure (add suffix MR)
Hazardous Location (Explosion Resistant add suffix ER)
hermostat version - (NEMA 4 or NEMA 7)
on-T
N
Figure 84
SP series
25 watts/in2Steel Sheath Typically to heat:
2” steel screw plug light oils
3
elements - up to 600 volts, 1 or 3 phase
(specifiy voltage and phase when ordering)
watts immersed catalogue number net
1125 6 1/
1500 7 1/
1875 9 1/
2250 11 1/
3000 17 3/
length Fig. 82 Fig.83 weight
B dim. standard with thermostat (lb)
SPO-3011-P ASPO-3011-P 7
2
SPO-3015-P ASPO-3015-P 7
2
SPO-3018-P ASPO-3018-P 7
2
SPO-3025-P ASPO-3025-P 8
2
SPO-3030-P ASPO-3030-P 8
4
3750 19 SPO-3037-P ASPO-3037-P 8
4500 24 1/
SPO-3045-P ASPO-3045-P 9
2
5250 28 SPO-3052-P ASPO-3052-P 9
6000 32 1/
7500 39 3/
9000 47 1/
SPO-3060-P ASPO-3060-P 9
2
SPO-3075-P ASPO-3075-P 9
8
SPO-3090-P ASPO-3090-P 11
4
10500 54 SPO-3105-P ASPO-3105-P 11
12 watts/in2Steel Sheath Typically to heat:
2”steel screw plug hydraulic oils,
3 elements - up to 600 volts,1 or 3 phase heavy oils
(specifiy voltage and phase when ordering )
watts immersed catalogue number net
length Fig. 82 Fig.83 weight
B dim. standard with thermostat (lb)
525 6 1/2SPOL-3005-P ASPOL-3005-P 7
750 7 1/2SPOL-3007-P ASPOL-3007-P 7
935 9 1/2SPOL-3009-P ASPOL-3009-P 7
1125 11 1/2SPOL-3011-P ASPOL-3011-P 8
1500 17 3/4SPOL-3015-P ASPOL-3015-P 8
1875 19 SPOL-3018-P ASPOL-3018-P 8
2250 24 1/2SPOL-3022-P ASPOL-3022-P 9
2625 28 SPOL-3026-P ASPOL-3026-P 9
3000 32 1/2SPOL-3030-P ASPOL-3030-P 9
3750 39 3/8SPOL-3037-P ASPOL-3037-P 9
4500 47 1/4SPOL-3045-P ASPOL-3045-P 11
ASP series
Built-in Thermostat SPST
(NEMA
4 or NEMA 7)
Figure 85
5250 54 SPOL-3052-P ASPOL-3052-P 11
Optional Thermostats
Available temperature ranges and/or electrical choices
Temperature ranges Electrical ranges
-16 to + 40°C (0-100°F) 240 vac, 25 amp, DPST
70 - 280°C (160 - 540°F) 480 vac, 15 amp, TPST
160 - 370°C (320-700°F) 600 vac,15 amp,TPST
Moisture Resistant or Hazardous Location - ASP series
with any optional thermostat
M
oisture Resistant Enclosure (add suffix MR)
Hazardous Location (Explosion Resistant add suffix ER)
DPST or TPST
(NEMA 4 or NEMA 7)
25 watts/in2Incoloy Sheath Typically to heat:
2”steel screw plug light oils,
3 elements - up to 600 volts mild caustic solution
(specifiy voltage when ordering ) mild alkaline solutions
watts immersed catalogue number net
1125 6 1/
1500 7 1/
1875
2250
3000 17
length Fig.82 Fig.83 weight
B dim. standard with thermostat (lb)
SPA-3011-P ASPA-3011-P 7
2
SPA-3015-P ASPA-3015-P 7
2
1
11
9
/
2
1
/
2
3
/
4
A-3018-P ASPA-3018-P 7
SP
A-3025-P ASPA-3025-P 8
SP
SPA-3030-P ASPA-3030-P 8
3750 19 SPA-3037-P ASPA-3037-P 8
4500 24 1/
SPA-3045-P ASPA-3045-P 9
2
5250 28 SPA-3052-P ASPA-3052-P 9
Figure 86
6000
7500
9000
10500
B6
1
32
39
47
/
2
3
/
8
1
/
4
A-3060-P ASPA-3060-P 9
SP
A-3075-P ASPA-3075-P 9
SP
A-3090-P ASPA-3090-P 11
SP
54 SPA-3105-P ASPA-3105-P 11