Screw Plug Bushing Heaters

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  • Immersion Heaters for use in heating liquids
  • Rugged tubular heating element
  • Available with a variety of fittings and controls
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Vulcan Bushing Heaters are a preferred source of electric heat for a wide variety of small to medium wattage applications. These immersion heaters can be mounted through a tank wall or into pipes which carry liquid. Models are available in many configurations including basic assemblies, units with terminal housing and units with thermostat control. All units incorporate Vulcan’s Tubular Heater construction

  • Rugged Tubular heating element construction including compacted magnesium oxide and nickel chromium wire
  • Steel, copper, stainless and nickel alloy sheath material selections for a wide range of application environments
  • Liquid tight 1″, 1 1/4″, 2″, and 2 1/2″ NPT standard pipe thread mounting fittings in steel, stainless steel and brass
  • General purpose, moisture resistant, and explosion resistant terminal housing options
  • Standard models offered with adjustable bulb and capillary thermostat control
  • Special model selections with low water cut-off
  • Many catalog wattage, voltage, and length combinations
  • Standard and custom options available
  • Armorwall explosion resistant construction available for hazardous or abusive environments
  • Oil Separation and Filtration Processes
  • Cleaning and Rinsing Tanks
  • Boiler and Hot Water Equipment
  • Freeze Protection
  • Warming Equipment

Models and Options

BUSHING HEATERS- 1" NPT - STEEL TUBE AND BUSHING - TYPE ARO2

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
AROH-201A-150892291.50.7
AROH-202AAROH-202B2508164062.51.1
AROL-202AAROL-202B25023615210.4
AROL-205AAROL-205B5002312 1/231820.9
AROL-207AAROL-207B75023164062.51.1
AROL-210AAROL-210B10002322 1/25723.51.5

BUSHING HEATERS- 1" NPT - COPPER TUBE AND BRASS BUSHING - TYPE ARW2

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
ARW-205AARW-205B50045615210.4
ARW-207AARW-207B75050615210.4
ARWL-210AARWL-210B10004512 1/231820.9
ARW-210AARW-210B100083615210.4
ARWL-215AARWL-215B15004519 1/24953.51.5
ARW-215AARW-215B15008492291.50.7
ARWL-220AARWL-220B200045256352.51.1
ARW-220AARW-220B20008012 1/23182.51.1
ARW-225AARW-225B250049164062.51.1
ARW-230AARW-230B30007619 1/249531.3

BUSHING HEATERS- 1" NPT - INCOLOY TUBE AND STAINLESS BUSHING - TYPE ARI2

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
ARIH-202AARIH-202B2501592291.50.7
ARIM-202AARIM-202B25023615210.4
ARIH-205AARIH-205B50015164062.51.1
ARIM-205AARIM-205B5002312 1/231820.9
ARI-205AARI-205B50045615210.4
ARIH-206AARIH-206B62515256354.21.8
ARIM-206AARIM-20662523164062.51.1
ARI-206AARI-206B625457 1/215210.4
ARIH-207AARIH-207B75015256354.21.8
ARIM-207AARIM-207B75023164062.51.1
ARI-207AARI-207B75069615210.4
ARIH-208AARIH-208B8751527 1/26994.31.9
ARIM-208AARIM-208B8752319 1/249531.3
ARIL-208AARIL-208B8754512 1/231820.9
ARI-208AARI-208B87585615210.4
ARIM-210AARIM-210B10002322 1/25723.51.5
ARIL-210AARIL-210B10004512 1/231820.9
ARI-210AARI-210B100092615210.4
ARIM-212AARIM-212B12502328 1/87144.41.9
ARIL-212AARIL-212B12504515 5/83973.31.4
ARI-212AARI-212B1250897 1/21911.20.5
ARIM-215AARIM-215B1500232549531.3
ARIL-215AARIL-215B15004519 1/249531.3
ARI-215AARI-215B15008992291.50.7
ARIM-217AARI-217B175023256354.21.8
ARIL-217AARI-217B17504522 1/25723.51.5
ARI-217AARI-217B17509012 1/231820.9
ARIL-220AARIL-220B200045256354.21.8
ARI-220AARI-220B20008412 1/231820.9
ARI-225AARI-225B250081164062.51.1
ARI-230AARI-230B30008019 1/249531.3
ARI-240AARI-240B400082256354.21.8
Construction Details:
Tube Material: .315 dia. Steel, Copper, or Incoloy sheath models as noted in table headers
Single hairpin or foldback designs for maximum wattage concentration
Watt Density Note: Watt density options suitable for various application media
Installation: Immersed depth is measured from bottom of bushing to end of heater tubes
Mounting Fittings: 1″ NPT thread – steel, brass, or stainless as noted in table headers
Termination: #8-32 screw and nut termination- hardware included
All units are single element – single phase hook-up
Custom: Custom lengths, watts, and volts are available

 

BUSHING HEATERS 1-1/4" NPT - STEEL TUBE AND BUSHING - TYPE ASO1

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
ASOH-105AASOH-105B500816 1/241931.3
ASOL-105AASOL-105B50023615210.4
ASOH-107AASOH-107B7508256354.11.8
ASOL-107AASOL-107B7502310 1/42601.60.7
ASOH-110AASOH-110B10008307625.12.2
ASOL-110AASOL-110B10002313 1/43372.51.1
ASOL-112AASOL-112B125023153812.71.2
ASOL-115AASOL-115B15002316 1/241931.3
ASOL-117AASOL-117B175023205083.31.4
ASOL-120AASOL-120B20002322 1/25723.71.6

BUSHING HEATERS 1-1/4" NPT - COPPER TUBE AND BRASS BUSHING - TYPE ASW1

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
ASW-110AASW-110B100083615210.4
ASW-115AASW-115B15008492291.50.7
ASW-120AASW-120B2000806 1/216520.9
ASW-125AASW-125B2500798 1/22162.31
ASW-130AASW-130B30007610 1/42602.51.1
-ASW-140B40008013 1/43372.51.1
-ASW-150B50007916 1/241931.3

BUSHING HEATERS 1-1/4" NPT - INCOLOY TUBE AND STAINLESS BUSHING - TYPE ASI1

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
ASIH-110AASIH-110B10001522 1/25723.71.6
ASIM-110AASIM-110B1000458 1/22162.31
ASI-110AASI-110B100083615220.9
ASIH-111AASIH-111B115015256354.11.8
ASIM-111AASIM-111B1150458 1/22162.31
ASI-111AASI-111B11508551271.90.8
ASIH-113AASIH-113B13001522 1/25724.11.8
ASIM-113AASIM-113B1300458 1/22162.31
ASI-113AASI-113B13008551271.90.8
ASIH-115AASIH-115B150015256354.11.8
ASIM-115AASIM-115B1500458 1/22162.31
ASI-115AASI-115B15008492291.50.7
ASIH-116AASIH-116B165015256354.11.8
ASIM-116AASIM-116B1650458 1/22162.31
ASI-116AASI-116B16508592291.50.7
ASIH-117AASIH-117B175015256354.11.8
ASIM-117AASIM-117B1750458 1/22162.31
ASI-117AASI-117B17508592291.50.7
ASIH-120AASIH-120B200015307625.12.2
ASIM-120AASIM-120B20004513 1/43372.51.1
ASI-120AASI-120B2000806 1/216520.9
ASIM-122AASIM-122B22504513 1/43372.51.1
ASI-122AASI-122B2250808 1/22162.31
ASIM-125AASIM-125B25004516 1/241931.3
ASI-125AASI-125B2500808 1/22162.31
ASIM-127AASIM-127B27504516 1/241931.3
ASI-127AASI-127B27508010 1/42602.31
ASIM-130AASIM-130B30004516 1/241931.3
ASI-130AASI-130B30008010 1/42602.51.1
ASIM-135AASIM-135B35004522 1/25723.71.6
ASI-135AASI-135B35008013 1/43372.51.1
-ASIM-140B40004522 1/25723.71.6
-ASI-140B40008013 1/43372.51.1
-ASIM-140B450045276864.82.1
-ASI-140B45008016 1/241931.3
-ASIM-150B500045307625.12.2
-ASI-150B50008016 1/241931.3
-ASI-160B60008022 1/25723.71.6
Construction Details:
Tube Material: .315″ dia. Steel, Copper, or Incoloy sheath models as noted in table headers
Single hairpin or foldback designs for maximum wattage concentration
Watt Density Note: Watt density options suitable for various application media
Installation: Immersed depth is measured from bottom of bushing to end of heater tubes
Mounting Fittings: 1-1/4″ NPT thread – steel, brass, or stainless as noted in table headers
Termination: #8-32 screw and nut termination- hardware included
All units are single element – single phase hook-up
Custom: Custom lengths, watts, and volts are available

BUSHING HEATERS 1-1/4" NPT - STEEL TUBE AND BUSHING - TYPE ASO2

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
ASOH-205AASOH-205B500816 1/24193.71.6
ASOL-205AASOL-205B5002361521.70.7
ASOH-210AASOH-210B10008307625.82.5
ASOL-210AASOL-210B10002313 1/43373.21.4
ASOL-215AASOL-215B15002316 1/24193.71.6
ASOL-220AASOL-220B20002322 1/25724.41.9

BUSHING HEATERS 1-1/4" NPT - COPPER TUBE AND BRASS BUSHING - TYPE ASW2

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
ASW-207AASW-207B750655 7/81491.70.7
ASW-210AASW-210B1000855 7/81491.70.7
ASW-215AASW-215B1500655 7/81491.70.7
ASW-220AASW-220B2000855 7/81491.70.7
ASW-222AASW-222B2250808 1/22162.81.2
ASW-225AASW-225B2500808 1/22162.81.2
ASW-227AASW-227B27508010 1/42602.81.2
ASW-230AASW-230B30008010 1/42602.81.2
ASW-235AASW-235B35008013 1/433731.3
-ASW-240B40008013 1/433731.3
-ASW-250B50008016 1/24193.51.5
-ASW-260B60008022 1/25724.21.8

BUSHING HEATERS 1-1/4" NPT - INCOLOY TUBE AND STAINLESS BUSHING - TYPE ASI2

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
ASIH-210AASIH-210B10001522 1/25724.21.8
ASIM-210AASIM-210B1000458 1/22162.81.2
ASI-210AASI-210B10008361522.51.1
ASIH-211AASIH-211B115015256354.62
ASIM-211AASIM-211B1150458 1/22162.81.2
ASI-211AASI-211B11508551272.41
ASIH-213AASIH-213B13001522 1/25724.21.8
ASIM-213AASIM-213B1300458 1/22162.81.2
ASI-213AASI-213B13008551272.41
ASIH-215AASIH-215B150015256354.62
ASIM-215AASIM-215B1500458 1/22162.81.2
ASI-215AASI-215B150085922920.9
ASIH-216AASIH-216B165015307625.62.4
ASIM-216AASIM-216B16504510 1/426031.3
ASI-216AASI-216B16508561522.51.1
ASIH-217AASIH-217B175015307625.62.4
ASIM-217AASIM-217B175045112793.11.4
ASI-217AASI-217B1750856 1/21652.51.1
ASIH-220AASIH-220B200015307625.62.4
ASIM-220AASIM-220B20004513 1/433731.3
ASI-220AASI-220B2000806 1/21652.71.2
ASIM-222AASIM-222B22504513 1/43373.21.4
ASI-222AASI-222B2250808 1/22162.81.2
ASIM-225AASIM-225B25004516 1/24193.51.5
ASI-225AASI-225B2500808 1/22162.81.2
ASIM-227AASIM-227B27504516 1/24193.51.5
ASI-227AASI-227B27508010 1/42602.81.2
ASIM-230AASIM-230B30004516 1/24193.51.5
ASI-230AASI-230B30008010 1/42602.81.2
ASIM-235AASIM-235B35004522 1/25724.21.8
ASI-235AASI-235B35008013 1/433731.3
-ASIM-240B40004522 1/25724.21.8
-ASI-240B40008013 1/43373.21.4
-ASIM-245B450045276865.32.3
-ASI-245B45008016 1/24193.51.5
-ASIM-250B500045307625.62.4
-ASI-250B50008016 1/24193.51.5
-ASI-260B60008022 1/25724.21.8
Construction Details:
Tube Material: .315″ dia. Steel, Copper, or Incoloy sheath models as noted in table headers
Single hairpin or foldback designs for maximum wattage concentration
Watt Density Note: Watt density options suitable for various application media
Installation: Immersed depth is measured from bottom of bushing to end of heater tubes
Mounting Fittings: 1-1/4″ NPT thread – steel, brass, or stainless as noted in table headers
Termination: #8-32 screw and nut termination- hardware included
All units are single element – single phase hook-up
Enclosure: General purpose terminal enclosure for wiring
Custom: Custom lengths, watts, and volts are available

 

BUSHING HEATERS 2" NPT - STEEL TUBE AND BUSHING - TYPE AUO1

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
AUO-115AAUO-115B15002311 3/42983.11.4
AUO-120AAUO-120B20002317 3/44513.91.7
AUO-125AAUO-125B25002319 1/249541.7
AUO-130AAUO-130B30002324 3/46294.52
AUO-140AAUO-140B400023338385.52.4
AUO-150AAUO-150B50002340 1/410226.52.8
-AUO-160B60002347 3/412137.53.3

BUSHING HEATERS 2" NPT - COPPER TUBE AND BRASS BUSHING - TYPE AUW1

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
AUW-115AAUW-115B15004811 3/42982.61.1
AUW-120AAUW-120B20004817 3/445131.3
AUW-125AAUW-125B2500489 1/22413.51.5
AUW-130AAUW-130B30004811 3/42983.81.7
AUW-140AAUW-140B40004817 3/44514.11.8
AUW-150AAUW-150B50004819 3/45024.41.9
-AUW-160B600048256354.92.1
-AUW-170B700048287115.52.4
-AUW-1100B100004840 1/210296.52.8

BUSHING HEATERS 2" NPT - INCOLOY TUBE AND STAINLESS BUSHING - TYPE AUI1

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
AUIH-115AAUIH-115B1500231435641.7
AUI-115AAUI-115B15004811 3/429831.3
AUIL-115AAUIL-115B1500805 1/41332.81.2
AUIH-120AAUIH-120B20002317 3/44514.11.8
AUI-120AAUI-120B20004817 3/44513.51.5
AUI-1202AAUI-1202B20004882033.41.5
AUIL-120AAUIL-120B2000806 1/216531.3
AUIH-125AAUIH-125B250023225593.71.6
AUI-125AAUI-125B2500489 1/22413.71.6
AUIL-125AAUIL-125B25008082033.71.6
AUIH-130AAUIH-130B300023256354.92.1
AUI-130AAUI-130B30004811 3/429841.7
AUIL-130AAUIL-130B3000809 1/22413.71.6
AUIH-140AAUIH-140B400023338385.52.4
AUI-140AAUI-140B40004817 3/445141.7
AUIL-140AAUIL-140B40008011 3/42983.91.7
AUIH-150AAUIH-150B50002340 1/210296.52.8
AUI-150AAUI-150B50004819 3/45024.21.8
AUIL-150AAUIL-150B5000801435641.7
-AUIH-160B60002347 3/412137.53.3
-AUI-160B600048256354.92.1
-AUIL-160B60008017 3/445141.7
-AUIH-170B7000235513977.73.4
-AUI-170B700048287115.22.3
-AUIL-170B70008017 3/445141.7
-AUI-180B800048338385.52.4
-AUIL-180B80008019 3/45024.21.8
-AUI-190B90004840 1/210294.52
-AUIL-190B900080225596.52.8
-AUI-1100B100004840 1/210296.52.8
-AUIL-1100B1000080256354.92.1
-AUI-1110B110004847 3/412137.53.3
-AUIL-1110B1100080287115.22.3
-AUI-1120B120004847 3/412137.53.3
-AUIL-1120B1200080307625.42.4
-AUI-1130B13000485112957.63.3
-AUIL-1130B1300080338385.52.4
-AUI-1140B14000485213217.63.3
-AUIL-1140B1400080338385.52.4
-AUI-1150B150004853 3/413657.53.3
-AUIL-1150B150008035 1/29025.62.4
Construction Details:
Tube Material: .440″ dia. Steel, Copper, or Incoloy sheath models as noted in table headers
One or two hairpin heating elements
Watt Density Note: Watt density options suitable for various application media
Installation: Immersed depth is measured from bottom of bushing to end of heater tubes
Mounting Fittings: 2″ NPT thread – steel, brass, or stainless as noted in table headers
Termination: #8-32 screw and nut termination- hardware included
Single phase hook-up
Enclosure: General purpose terminal enclosure for wiring
Custom: Custom lengths, watts, and volts are available

 

BUSHING HEATERS 2-1/2" NPT - STEEL TUBE AND BUSHING - TYPE AVO1

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
AVO-130BAVO-130C30002317 3/84415.72.5
AVO-137BAVO-137C37502319 1/44896.12.7
AVO-145BAVO-145C45002325 1/26486.32.7
AVO-160BAVO-160C60002332 1/28268.83.8
AVO-175BAVO-175C75002339 3/410109.74.2
AVO-190BAVO-190C90002347 1/2120711.55

BUSHING HEATERS 2-1/2" NPT - COPPER TUBE AND BRASS BUSHING - TYPE AVW1

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
AVW-130BAVW-130C3000487 1/41845.72.5
AVW-137BAVW-137C3750488 3/42226.12.7
AVW-145BAVW-145C45004811 1/42866.32.7
AVW-160BAVW-160C60004817 1/44388.83.8
AVW-175BAVW-175C750048184579.74.2
AVW-190BAVW-190C90004821 1/254611.55

BUSHING HEATERS 2-1/2" NPT - INCOLOY TUBE AND STAINLESS BUSHING - TYPE AVI1

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
AVIH-130BAVIH-130C30001525 1/26486.32.7
AVIM-130BAVIM-130C30002317 1/44385.72.5
AVI-130BAVI-130C3000487 1/41845.42.4
AVIL-130BAVIL-130C3000805 1/21404.82.1
AVIH-137BAVIH-137C375015307628.53.7
AVIM-137BAVIM-137C37502321 1/254662.6
AVI-137BAVI-137C3750488 3/42225.62.4
AVIL-137BAVIL-137C3750807 1/41845.42.4
AVIH-140BAVIH-140C400015328138.63.7
AVIM-140BAVIM-140C40002321 1/254662.6
AVI-140BAVI-140C400048123055.62.4
AVIL-140BAVIL-140C4000807 1/41845.42.4
AVIH-145BAVIH-145C4500153691493.9
AVIM-145BAVIM-145C45002325 1/26486.32.7
AVI-145BAVI-145C45004811 1/42865.62.4
AVIL-145BAVIL-145C4500808 3/42225.62.4
AVIH-160BAVIH-160C60001548121911.55
AVIM-160BAVIM-160C6000233691493.9
AVI-160BAVI-160C60004817 1/44385.82.5
AVIL-160BAVIL-160C60008011 1/42865.62.4
AVIH-175BAVIH-175C750015601524135.7
AVIM-175BAVIM-175C75002348121911.55
AVI-175BAVI-175C750048184572.51.1
AVIL-175BAVIL-175C750080133305.72.5
AVIM-190BAVIM-190C90002348121911.55
AVI-190BAVI-190C90004821 1/25462.61.1
AVIL-190BAVIL-190C90008017 1/44385.82.5
AVIM-1100BAVIM-1100C100002354137212.35.4
AVI-1100BAVI-1100C10000483076283.5
AVIL-1100BAVIL-1100C100008017 1/44385.82.5
AVIM-1120BAVIM-1120C1200023661676146.1
AVI-1120BAVI-1120C12000483281383.5
AVIL-1120BAVIL-1120C120008021 1/254662.6
AVI-1150BAVI-1150C1500048421067114.8
AVIL-1150BAVIL-1150C150008025 1/26486.32.7
Construction Details:
Tube Material: .440″ dia. Steel, Copper, or Incoloy sheath models as noted in table headers
Three hairpin heating elements
Watt Density Note: Watt density options suitable for various application media
Installation: Immersed depth is measured from bottom of bushing to end of heater tubes
Mounting Fittings: 2-1/2″ NPT thread – steel, brass, or stainless as noted in table headers
Termination: #8-32 screw and nut termination- hardware included
Units can be wired single or three phase
Enclosure: General purpose terminal enclosure for wiring
Custom: Custom lengths, watts, and volts are available

BUSHING HEATERS WITH THERMOSTAT- 1" NPT - COPPER TUBE AND BRASS BUSHING - TYPE ARW3

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
ARW-307AARW-307B750557 1/41844.52
ARW-310AARW-310B1000559 1/42354.62
ARW-315AARW-315B15005513 1/83334.72
ARW-320AARW-320B20005517 1/84354.82.1
-ARW-330B30008019 1/24954.92.1

BUSHING HEATERS WITH THERMOSTAT- 1" NPT - INCOLOY TUBE AND STAINLESS BUSHING - TYPE ARI3

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
ARI-307AARI-307B750557 1/41844.52
ARI-310AARI-310B1000559 1/42354.62
ARI-315AARI-315B15005513 1/83334.72
ARI-320AARI-320B20005517 1/84354.82.1
-ARI-330B30008019 1/24954.92.1
Construction Details:
Tube Material: .315 dia. Copper or Incoloy sheath models as noted in table headers
Installation: Immersed depth is measured from bottom of bushing to end of heater tubes
Mounting Fitting: 1″ NPT thread – brass or stainless as noted in table headers
Termination: Single phase hook-up
Enclosure: General purpose terminal enclosure for wiring
Enclosure is 6″ (152.4 mm) x 3-1/2″ (88.9 mm) x 3-1/16″ (77.8 mm) deep
Thermostat 60 to 250 F (16 to 121 C) externally adjustable thermostat
Custom: Custom lengths, watts, and volts are available
Optional indicating light is available (as shown)

 

BUSHING HEATERS WITH THERMOSTAT 1-1/4" NPT - COPPER TUBE AND BRASS BUSHING - TYPE ASW3

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
ASW-307AASW-307B750557 1/41844.62
ASW-310AASW-310B1000559 1/42354.72
ASW-315AASW-315B15005513 1/83334.92.1
ASW-320AASW-320B2000559 1/42354.92.1
-ASW-330B30005513 1/833352.2
-ASW-340B40005518 1/24705.12.2
-ASW-350B50008023 1/25975.22.3

BUSHING HEATERS WITH THERMOSTAT 1-1/4" NPT - INCOLOY TUBE AND STAINLESS BUSHING - TYPE ASI3

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
ASI-307AASI-307B750557 1/41844.62
ASIL-310AASIL-310B10005522 1/25725.22.3
ASI-310AASI-310B1000559 1/42354.72
ASIL-315AASIL-315B150055256355.32.3
ASI-315AASI-315B15005513 1/83334.92.1
ASIL-320AASIL-320B200055307625.72.5
ASI-320AASI-320B2000559 1/42354.92.1
-ASI-330B30005513 1/833352.2
-ASI-340B40005518 1/24705.12.2
-ASI-350B50008023 1/25975.22.3
Construction Details:
Tube Material: .315 dia. Copper or Incoloy sheath models as noted in table headers
Installation: Immersed depth is measured from bottom of bushing to end of heater tubes
Mounting Fitting: 1-1/4″ NPT thread – brass or stainless as noted in table headers
Termination: Single phase hook-up
Enclosure: General purpose terminal enclosure for wiring
Enclosure is 6″ (152.4 mm) x 3-1/2″ (88.9 mm) x 3-1/16″ (77.8 mm) deep
Thermostat 60 to 250 F (16 to 121 C) externally adjustable thermostat
Custom: Custom lengths, watts, and volts are available
Optional indicating light is available (as shown)

 

BUSHING HEATERS 100 - 550 F THERMOSTAT 2" NPT - STEEL TUBE AND BUSHING - TYPE AUO2

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
AUO-215AAUO-215B15002311 3/42986.12.7
AUO-220AAUO-220B20002317 3/44516.42.8
AUO-225AAUO-225B25002319 5/84986.62.9
AUO-230AAUO-230B30002324 7/86327.13.1
AUO-240AAUO-240B40002332 7/88357.43.2
AUO-250AAUO-250B50002340 3/810269.14
-AUO-260B60002347 7/8121611.14.8

BUSHING HEATERS 60 - 250 F THERMOSTAT 2" NPT - COPPER TUBE AND BRASS BUSHING - TYPE AUW2

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
AUW-215AAUW-215B15004811 7/83024.72
AUW-220AAUW-220B20004882035.12.2
AUW-225AAUW-225B2500489 1/22416.22.7
AUW-230AAUW-230B30004811 7/83026.32.7
AUW-240AAUW-240B40004817 7/84547.13.1
AUW-250AAUW-250B50004819 3/45027.63.3
-AUW-260B60004825 1/863810.14.4
-AUW-270B7000482871112.15.3
-AUW-2100B100004840 1/2102915.16.6

BUSHING HEATERS 60 - 250 F THERMOSTAT 2" NPT- INCOLOY TUBE AND STAINLESS BUSHING - TYPE AUI2

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
AUI-215AAUI-215B15004811 7/83024.72
AUIM-217AAUIM-217B175015246109.84.3
AUI-217AAUI-217B1750489 1/22416.22.7
AUIM-220AAUIM-220B200015246109.84.3
AUI-220AAUI-220B20004882035.12.2
AUIM-222AAUIM-222B2250152768611.85.1
AUI-222AAUI-222B2250489 1/22416.22.7
AUIM-225AAUIM-225B2500152768611.85.1
AUI-225AAUI-225B2500489 1/22416.22.7
AUIM-227AAUIM-227B2750153383813.76
AUI-227AAUI-227B27504811 7/83026.32.7
AUIM-230AAUIM-230B3000153383813.76
AUI-230AAUI-230B30004811 7/83026.32.7
AUIM-235AAUIM-235B35001548 1/4122615.16.6
AUI-235AAUI-235B350048153816.83
AUIM-240AAUIM-240B40001553134616.27.1
AUI-240AAUI-240B40004817 7/84547.13.1
AUIM-245AAUIM-245B45001555139716.87.3
AUI-245AAUI-245B45004819 3/45027.63.3
AUIM-250AAUIM-250B50001558147317.17.4
AUI-250AAUI-250B50004819 3/45027.63.3
AUIM-255AAUIM-255B55001570177819.28.4
AUI-255AAUI-255B550048246109.84.3
-AUIM-260B60001575190520.28.8
-AUI-260B60004825 1/863810.14.4
-AUI-270B7000482871112.15.3
-AUI-285B6000483383813.76
-AUI-2100B100004848 1/4122615.16.6
Construction Details:
Tube Material: .440″ dia. Steel, Copper or Incoloy sheath models as noted in table headers
Installation: Immersed depth is measured from bottom of bushing to end of heater tubes
Mounting Fitting: 2″ NPT thread – Steel, brass, or stainless as noted in table headers
Termination: Single phase hook-up
Enclosure: General purpose terminal enclosure for wiring
Enclosure is approx. 6-1/8″ (155.6 mm) dia. x 4-1/2″ (114.3 mm) deep
Thermostat: Standard temperature adjustment range as noted in table headers

All types available with 0 – 100 F, 60 – 250 F, or 100 – 550 F

Custom: Custom lengths, watts, and volts

Moisture resistant or Explosion resistant constructions also available

 

BUSHING HEATERS 0 -100 F THERMOSTAT 2-1/2" NPT - STEEL TUBE AND BUSHING - TYPE AVO2

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
AVOL-230AAVOL-230B30002317 2/34498.13.5
AVOL-237AAVOL-237B37502319 4/94948.93.9
AVOL-245AAVOL-245B45002324 2/36279.44.1
AVOL-260AAVOL-260B60002332 2/383012.15.3
AVOL-275AAVOL-275B75002340 1/5102113.15.7
AVOL-290AAVOL-290B90002347 2/3121113.45.8

BUSHING HEATERS 60 - 250 F THERMOSTAT 2-1/2" NPT - COPPER TUBE AND BRASS BUSHING - TYPE AVW2

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
AVW-230AAVW-230B3000557 1/21918.13.5
AVW-237AAVW-237B37505592299.14
AVW-245AAVW-245B45005511 1/42869.44.1
AVW-260AAVW-260B60004817 3/844112.15.3
AVW-275AAVW-275B75004819 1/448913.15.7
AVW-290AAVW-290B90004824 3/861914.16.1

BUSHING HEATERS 60 - 250 F THERMOSTAT 2-1/2" NPT - INCOLOY TUBE AND STAINLESS BUSHING - TYPE AVI2

120 Volt Models240 Volt ModelsWattsWatt
Density
w/sq. in.
Immersed
Depth (in.)
Immersed
Depth (mm)
Approx.
Wt. (lb.)
Approx.
Wt. (kg)
AVIM-225AAVIM-225B25001524 3/861914.16.1
AVI-225AAVI-225B2500557 1/21918.13.5
AVIM-230AAVIM-230B30001526 1/466715.26.6
AVI-230AAVI-230B3000557 1/21918.13.5
AVIM-232AAVIM-232B3250152871117.17.4
AVI-232AAVI-232B32505592299.14
AVIM-237AAVIM-237B37501531 1/280018.58.1
AVI-237AAVI-237B37505592299.14
AVIM-240AAVIM-240B40001531 1/280018.58.1
AVI-240AAVI-240B40005511 1/42869.14
AVIM-245AAVIM-245B45001539 3/8100022.89.9
AVI-245AAVI-245B45005511 1/42869.44.1
AVIM-250AAVIM-250B50001543109224.110.5
AVI-250AAVI-250B500055133309.84.3
AVIM-255AAVIM-255B55001547 2/3121125.811.2
AVI-255AAVI-255B55005515381114.8
AVIM-260AAVIM-260B60001552132127.411.9
AVI-260AAVI-260B60004817 3/844112.15.3
AVIM-265AAVIM-265B6500155513973113.5
AVI-265AAVI-265B6500481845712.35.4
AVIM-270AAVIM-270B7000156015243515.2
AVI-270AAVI-270B70004819 1/448913.15.7
-AVIM-275B75001567170239.417.2
-AVI-275B75004819 1/448913.15.7
-AVIM-280B8000157017784117.9
-AVI-280B8000482255913.86
-AVIM-285B8500157318544218.3
-AVI-285B85004823584146.1
-AVIM-290B9000157318544218.3
-AVI-290B90004824 3/861914.16.1
Construction Details:
Tube Material: .440″ dia. Steel, Copper or Incoloy sheath models as noted in table headers
Installation: Immersed depth is measured from bottom of bushing to end of heater tubes
Mounting Fitting: 2-1/2″ NPT thread – Steel, brass, or stainless as noted in table headers
Termination: Single phase or three phase hook-up
Enclosure: General purpose terminal enclosure for wiring
Enclosure is approx. 6-1/8″ (155.6 mm) dia. x 4-1/2″ (114.3 mm) deep
Thermostat: Standard temperature adjustment range as noted in table headers
All types available with 0 – 100 F, 60 – 250 F, or 100 – 550 F
Custom: Custom lengths, watts, and volts

Moisture resistant or Explosion resistant constructions also available

BUSHING HEATERS WITH OVERTEMP- 1" NPT - COPPER TUBE AND BRASS BUSHING - TYPE WTP

120 Volt Models240 Volt ModelsWattsWatt Densityw/sq. in.Immersed Depth (in.)Immersed Depth (mm)Approx. Wt. (lb.)Approx. Wt. (kg)
WTP-904AWTP-904B750317 1/818141.7
WTP-906AWTP-906B1000319 1/823241.7
WTP-910AWTP-910B15004110 1/82574.11.8
WTP-912AWTP-912B20004911 1/82834.31.9
Construction Details:
Tube Material: .315 dia. Copper sheath
Installation: Immersed depth is measured from bottom of bushing to end of heater tubes
1″ NPT thread – brass
Single phase hook-up
Enclosure: General purpose terminal enclosure for wiring
Enclosure is 4-11/16″ (119.1 mm) x 3-1/2″ (88.9 mm) x 2-1/4″ (57.1 mm) deep
Thermostat Control: 110 to 190 F (43 to 88 C) internally adjustable thermostat
Overtemp: Thermostat also acts as a low water cut-off
Indicator Light: Light indicates when heater is on or off
Custom: Custom lengths, watts, and volts are available

 

Option Code Description
WX Special Wattage
VX Special Voltage and /or phase
HX Custom Immersion Lengths
CX Extended Cold Area Below Bushing
G Custom Configurations
BS Metric or Special Bushing Sizes
BM Special Bushing Materials
AW Armorwall heavy wall construction
Z Passivation
SX Special Sheath Materials
TC Thermocouples
BC Bulb and Capillary Thermostat
L Pilot Light
MH Moisture Resistant Terminal Housing
EH Explosion Resistant Terminal Housing

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