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Special Immersion	Standard Cartridge	Metric	Square/Rectangular
Liquids & Gas	Low/Medium Watt Density	Low & High Watt Density	Milled Slots

Superwatt High Watt	Cartridge Special Features	Tubular Screw Plug	Tubular Flanged
High Watt Density		Tank Heating	150 #

 
  HEATERS FOR EVERY APPLICATION
                                                                                                                                                    PHONE: (978) 777-0070

Cartridge Heaters:   Immersion                                            In-Stock

U.L. Recognized  -  E56973           C.S.A. Certified  -   16386-0-000

Features

• The Hotwatt Immersion Heater may be supplied with various junction boxes for additional terminal or lead protection.
• For corrosive environments, units can be supplied in other special alloys best suited to the operating conditions.
• The lead end of the unit may be sealed for extreme environmental conditions.
• Units may be supplied for three phase or three heat operation.
• Made in U.S.A.

Construction        

1. Welded end.
2. Mica.
3. Magnesium oxide packing.
4. Element wire situated in close proximity to outside surface for maximum heat transfer
   and minimum internal temperature while preserving good dielectric qualities.
5. Series 316 stainless steel sheath.
6. Mounting bushing.
7. Ceramic cap.
8. Flexible stranded nickel alloy insulated leads or rust resistant post terminals.

Standard Immersion Heater

Available Bushings:  Must be specified after catalog number.

Brass Bushings
SF25A: Single                                                    SF25B: Coupling Head

                           


Stainless Steel Bushings
SF25C:  Single                                                    SF25D:  Coupling Head

                           



*     Wattages are based on a unit operating immersed in water. For heating other materials,
        see table for Suggested Watt Densities or for Sheath Materials.
*     Red catalog number denotes stock item. See stock section for specific ratings.
*     Lengths between and longer than those listed may be ordered.

Termination Enclosure Options

SF13A: General purpose box. NEMA No.1.  2 3/4"  x  1 1/2"  x  1 1/2"               Available on:  1/4" to 1" diameter.	SF13B:  Moisture resistant box. Mounted on NPT coupling head fitting.             Available on: 3/8" to 1 1/4" diameter.
SF13C:  Explosion resistant box. Mounted on NPT coupling head fitting.             Available on: 3/8" to 1 1/4" diameter.	SF13D:  General purpose box. NEMA No.1. Rust resistant steel 4"octagonal             Available on: 1 1/4" to 2 3/8" diameter.

Installation Options

SF26:  Stainless steel flange. Mounting hole centers for 1/4" to 5/8" diameters is 1 1/8" and for 3/4" diameter is 1 5/32". Special flange sizes available upon request.	SF27:  Stainless steel riser and support feet for over the side immersion heaters. Consult factory for availability.
XS76:  Straight thread with nut. Specify thread size and if bushing is to be standard (hex outside vessel) or inverted (hex inside vessel).	Voltage Standard voltages are either 120V or 240V. Other voltages are available. Tolerances Wattage tolerances are held to +5%, -10% at rated voltage. Length tolerances are ±2% with a ±1/16" minimum.

How to Order
After determining the wattage required and the line voltage available, determine the physical space available for heaters and
the number of heaters required. Review Immersion Heaters  In-Stock.
Specify: Catalog number, wattage, voltage, lead type, bushing type, and special features if required. 
Example:  EM62-6/700W/240V/SF1-12/SF13A/SF25B

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We can be reached by e-mail at sales@hotwatt.com When ordering catalogs please include your phone number and mailing address.