Process Electric Heaters
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OVER-THE-SIDE IMMERSION HEATERS

Used in tanks where through-the-wall heaters cannot be installed, portability is required, or where heaters must be removed for cleaning without emptying the tank. Suitable for freeze protection, for heating viscous materials to improve flow, or most open tank applications with proper sheath and watt density selection.
  • Lightweight and portable
  • Self supporting
  • All compatible materials
    • Stainless steel elements; stainless steel riser and junction box
    • Incoloy elements; stainless steel riser and junction box
    • Steel elements; steel riser and junction box
  • Watertight terminal housing with terminal block for wiring
  • Thermowell for installation of thermostat
  • Sludge legs
  • .475" diameter elements
Options:
  • Built-in thermostat: 60-250°F or 150-550°F
  • Explosion resistant terminal enclosure
  • Shorter or longer riser height
  • Special ratings or materials
  • Right angle risers
  • Passivation or other external finishing
  • Thermocouple for process control or high limit
Type CSO
Type CSO
A
Standard
Riser
Height		 B
Min. Tank
Opening
Clearance		 Kilo-
watts		 Volts
3 Phase		 Catalog #
Type CSOC- Copper Sheath 40 watts/sq.in. 
36 12 ¼ 3 240 CSOC-032
36 22-1/4 6 240 CSOC-062
480 CSOC-064
36 29-1/2 9 240 CSOC-092
480 CSOC-094
48 37-3/8 12 240 CSOC-122
480 CSOC-124
48 45 15 480 CSOC-154
48 52-1/2 18 480 CSOC-184
Type CSOO Steel Sheath 20 watts/sq.in. 
36 22-1/4 3 240 CSOO-032
48 37-3/8 6 240 CSOO-062
480 CSOO-064
48 52-1/2 9 240 CSOO-092
480 CSOO-094
Type CSOS Stainless Steel 40 watts/sq.in. 
36 12-1/4 3 240 CSOS-032
36 22-1/4 6 240 CSOS-062
480 CSOS-064
36 29-1/2 9 240 CSOS-092
480 CSOS-094
48 37-3/4 12 240 CSOS-122
480 CSOS-124
48 45-1/2 15 480 CSOS-154
48 52-1/2 18 480 CSOS-184
Type RCOSO Steel Sheath 40 watts/sq.in. 
48 18-5/8 6 240 RCOSO-062
480 RCOSO-064
48 23-1/2 9 240 RCOSO-092
480 RCOSO-094
Type RCOSS Stainless Steel 40 watts/sq.in. 
36 16-1/8 9 240 RCOSS-092
480 RCOSS-094
48 18-5/8 12 480 RCOSS-124
48 21-1/2 15 480 RCOSS-154
48 23-1/2 18 480 RCOSS-184
Type RCSO
Type RCSO
TYPE CC

  • Easily installed or removed for cleaning, inspection or moved to improve heat distribution
  • Narrow profile to allow maximum work space in tank
  • NEMA IV/VII terminal enclosure
  • 316 stainless steel and incoloy sheath available

Sheath Material A Watts Volts W/SQ. IN. Catalog Number
Copper 2 5000 240 25 CCC-502
7500 240 38 CCC-752
Steel 2 5000 240 25 CCO-502
7500 240 38 CCO-752
Stainless
Steel		 2 5000 240 25 CCS-502
7500 240 36 CCS-752
Type CC