Hotrod Cartridge Heater
Hotrod Swaged Cartridge Heater Examples


Marathon Heater's Hotrod swaged cartridge heaters are the industry standard. Designed and manufactured for temperatures up to 1600°F, Hotrod cartridge heaters routinely outperform other brands of cartridge heaters in demanding applications. Choose from one of our thousands of in stock models, or let our engineers custom design a heater for your application.

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Standard Hotrod Features

Diameters 1/8", 1/4", 6.5mm, 5/16", 8mm, 3/8", 10mm, 12mm, 12.5mm, 1/2", 13mm, 17/32", 5/8", 16mm, 17mm, 11/16", 19mm, 3/4", 20mm, 1"
Lengths 3/4" to 15 ft.
Leads 550°C rated, other styles available
Sheath Material 304 stainless steel standard, 316 stainless steel and Incoloy 800 available. Click here for more information.
Volts 480 volts max
Watts up to 400 watts per square inch
Agency Certifications UL recognized (file no. E202904), CSA certified (file no. LR 109455-1)


Please see our specifications page for a complete table of specifications.

Hotrod Options
There are literally hundreds of options that can be added to your Hotrod cartridge heater. Here are a few of our most popular modifications. If you don't see what your looking for, contact our engineering department for assistance.

Termination options-includes lead types, lead orientations, plugs, etc.
Lead-Wire-Options-choose from a variety of lead wires.
Endseal-Options-includes steatite, Teflon, mica, and lava end-pieces, and potting options
Construction-Options-includes electrical options, distributed wattage, double ended heaters, bent heaters, etc.
Add Ons-include NPT fittings, flanges, tabs, stops, special tips, etc