Inspection and Quality Control of Custom Flexible Heaters

Quality begins with the design of the heater.  Our heating elements are inspected throughout the production process.  Final inspection includes testing each heater before it leaves our factory.

Call us for a copy of our Quality Assurance Manual 406-538-7411.

Hi-Heat participates in the Underwriters' Laboratories Component Recognition program under UL File No. E95403.

Under the file a UL-constructed silicone rubber heater can can operate with a outer surface temperature of 200°C (392°F).  For polyester heaters the surface temperature is 105°C (221°F).

All heaters are qualified for the CE mark.




Hi-Heat’s industrial heating elements are warranted against defects in workmanship and materials.  No other express warranty, written or oral, applies. No person is authorized to give any other warranty or assume any liability except by written statements from an officer of Hi-Heat Industries, Inc.

The warranty period extends for twelve months from date of shipment from the factory.

The limitations on the heater warranty are as follows. Products must be installed and maintained in accordance with Hi-Heat’s instructions.  Users are responsible for the suitability of the products to their application. There is no warranty against damage resulting from corrosion, misapplication, improper specification or other operating conditions beyond our control. The buyer must file claims against carriers from damage in transit.


All return material must have Hi-Heat’s authorization (RMA Number).

Return the defective product, Freight Prepaid to:

Hi-Heat Industries, Inc.
256 Hanover Road
Lewistown, MT 59457

Defective items will be repaired or replaced at our discretion, at no charge. Such repair or replacement is the exclusive remedy available from Hi-Heat. Hi-Heat is not liable for labor cost incurred in removal, reinstallation, or authorized repair of the product or for damage of any type whatsoever, including incidental or consequential damage.