Manual
2” NPT Screw Plug Immersion Heater
Three element design - one or three phase
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.
Figure 80
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
"
Standard (SP series)
General Purpose Enclosure - no thermostat
With thermostat (ASP series)
G
eneral Purpose Enclosure - with thermostat
Moisture Resistant or Hazardous Location
Moisture Resistant or Hazardous Location - ASP series
with any optional thermostat
Moisture Resistant Enclosure (add suffix MR)
Hazar
dous Location (E
xplosion Resistant add suffix ER)
Non-Thermostat version - ( NEMA 4 or NEMA 7)
M
oisture Resistant Enclosure (add suffix MR)
Hazardous Location (Explosion Resistant add suffix ER)
DPST or TPST
(NEMA 4 or NEMA 7)
10 - 120°C (50 - 250°F)
240 vac, 25 amp, SPST
Figure 77
Figure 78
Figure 79
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
ASP ser
ies
B
uilt-in Thermostat SPST
(NEMA
4 or NEMA 7)
SP series
50-60 watts/in
2
Copper 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
length Fig. 77 Fig. 78 weight
B dim. standard with thermostat (lb)
2250 6
1
/
2
SPC-3022-P ASPC-3022-P 6
3000 7
1
/
2
SPC-3030-P ASPC-3030-P 6
3750 9
1
/
2
SPC-3037-P ASPC-3037-P 6
4500 11
1
/
2
SPC-3045-P ASPC-3045-P 7
6000 17
3
/
4
SPC-3060-P ASPC-3060-P 7
7500 19 SPC-3075-P ASPC-3075-P 7
9000 24
1
/
2
SPC-3090-P ASPC-3090-P 8
10500 28 SPC-3105-P ASPC-3105-P 8
12000 32
1
/
2
SPC-3120-P ASPC-3120-P 9
15000 39
3
/
8
SPC-3150-P ASPC-3150-P 9
18000 47
1
/
4
SPC-3180-P ASPC-3180-P 10
22500 54 SPC-3225-P ASPC-3225-P 10
watts immersed catalogue number net
length Fig. 77 Fig. 78 weight
B dim. standard with thermostat (lb)
2250 6
1
/
2
SPI-3022-P ASPI-3022-P 6
3000 7
1
/
2
SPI-3030-P ASPI-3030-P 6
3750 9
1
/
2
SPI-3037-P ASPI-3037-P 6
4500 11
1
/
2
SPI-3045-P ASPI-3045-P 7
6000 17
3
/
4
SPI-3060-P ASPI-3060-P 7
7500 19 SPI-3075-P ASPI-3075-P 7
9000 24
1
/
2
SPI-3090-P ASPI-3090-P 8
10500 28 SPI-3105-P ASPI-3105-P 8
12000 32
1
/
2
SPI-3120-P ASPI-3120-P 9
15000 39
3
/
8
SPI-3150-P ASPI-3150-P 9
18000 47
1
/
4
SPI-3180-P ASPI-3180-P 10
22500 54 SPI-3225-P ASPI-3225-P 10
watts immersed c
atalogue number
net
length
Fig. 77 Fig. 78 weight
B dim.
standard with thermostat (lb)
2250 6
1
/
2
SPS-3022-P ASPS-3022-P 6
3000 7
1
/
2
SPS-3030-P ASPS-3030-P 6
3750 9
1
/
2
SPS-3037-P ASPS-3037-P 6
4500 11
1
/
2
SPS-3045-P ASPS-3045-P 7
6000 17
3
/
4
SPS-3060-P ASPS-3060-P 7
7500 19 SPS-3075-P ASPS-3075-P 7
9000 24
1
/
2
SPS-3090-P ASPS-3090-P 8
10500 28 SPS-3105-P ASPS-3105-P 8
12000 32
1
/
2
SPS-3120-P ASPS-3120-P 9
15000 39
3
/
8
SPS-3150-P ASPS-3150-P 9
18000 47
1
/
4
SPS-3180-P ASPS-3180-P 10
22500 54 SPS-3225-P ASPS-3225-P 10
50-60 watts/in
2
Incoloy 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)
50-60 watts/in
2
SS 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
B5
Figure 81