Over the Side Immersion Heater

over the side immersion heaterOver-the-side heaters are a specific type of immersion heater ideal for heating water, oils, solvents, salts and acids. Over-the-side heater application versatility is enhanced with optional sheath materials, kilowatt ratings, terminal enclosures and mounting methods.

The L and O shaped “installed-from-the-top” heaters slide easily into tanks, with the heated portion immersed along the side or at the bottom. The drum immersion heaters are designed for direct immersion in a standard 55 gallon steel drum. Watlow® vertical loop immersion heaters are well-suited for open tank applications.

In addition to over the side immersion heaters, Hi-Watt Inc. carries a wide variety of other types of immersion heaters including screw plug immersion heaters, and flanged immersion heaters. Contact us today for more details.

Features & Benefits:
Rugged, light-weight construction
  • Resists damage during installation or removal
0.475 in. (12 mm) diameter WATROD heating elements
  • Offers one- or three-phase operation
WATROD hairpins are repressed (recompacted)
  • Maintains MgO density, dielectric strength, heat transfer and heater life
Four inch (100 mm) sludge legs
  • Keeps heating elements off the tank’s bottom to help avoid being covered with sediment
RTV riser seal
  • Prevents moisture from infiltrating electrical areas
Standardized size 1 in. (25 mm) conduit openings
  • Facilitates wiring
SRG insulated flexible lead wires, rated to 390°F (200°C)
  • Allows factory or field wiring for three- or one-phase operation
Riser materials are compatible with element sheath materials such as stainless steel with Incoloy® sheath and steel with steel sheath
  • Meets varying application needs
  • Ensures ease of use
  • Alloy 800 sheath element watt densities to 60 W/in² (9.3 W/cm²)
  • Wattages to 50 killowatts
  • Voltages to 600VAC
  • Lightest per KW of any heater on the market
  • Lowest watt density rating to reduce build-up and prolong heater life.
  • Electropolish available to reduce corrosion.
  • 239 F preset over-temperature sensor standard.
  • Moisture resistant junction box fully welded.
  • 1″ stand-off leg standard.
  • Customizing available.
  • Short lead times.
  • Permanently mounted tag allowing easy identification.
  • Sheath materials available: SA=304 Stainless Steel, SB=316 Stainless Steel, N-Incoloy®, T-Titanium.
  • Most heaters CSA® and UL® recognized.
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