
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







