TEI - Thurston Engineering Inc.

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Custom or Catalogue, Thurston Engineering has the heating solution that is right for you and your budget.  Our representatives draw on a wealth of experience designing solutions for the most unique applications under the most exacting conditions.  We pride ourselves on providing matchless customer care from design to installation.  Contact us to find the optimum solution for your business.
Air Duct Heaters
Air Duct Heaters
Air Duct Heater
Our Air Duct Heaters are designed to heat moving air and gasses up to 1200F.  There are many available options, including: moisture or explosion proof wiring enclosures, gas tight construction on elements to the flange, high limit thermocouple attached to the sheath of the element, special ratings and sizes, spare elements, and all stainless construction for high temperature or corrosive gasses. 
Circulation Heaters
Circulation Heaters are suitable for heating liquids and gasses.  We offer a wide selection of tubular elements in stock for quick delivery. Choose from Screw Plug, Flanged, High Capacity, and Suction Oil options.  We use high quality stainless steel sheathing on all but the suction oil heaters to allow the widest coverage of applications possible.  High purity MgO powder is compacted to provide maximum heat conductivity and optimum dielectric strength.  Some additional features include Type 'A' 80/20 resistance wire, fusion welded junction between pin and resistance wire, recompacted MgO density in bend areas, moisture seals and epoxy seals for water applications, galvanized or carbon steel pipe vessels, heavy duty mountings, painted steel shroud encasing insulation and many other upgraded features that set our heaters apart from our competition.

Immersion Heaters
Superior quality at competitive prices is what you'll receive from our Flange, Screw Plug and Over the Side Immersion Heaters.  We feature heaters that are nearly 100% energy efficient and can operate in the harshest environments with strict temperature control and high pressure capability.  Our heavy duty design is the choice for heating a wide variety of oils, highly-viscous material, water, solvents, gasses, solutions and corrosive materials.
Immersion Heaters, Flange Heaters, Screw Plug Heaters, Over the Side Heaters
Immersion Heaters
Radiant Heaters
We can supply a large variety of Radiant Heater Assemblies in Hairpin, Straight Unit - Single Element, and Straight Unit - Double Element configurations.  We also supply Radiant Replacement Elements in Hairpin and Straight Length configurations.
Tubular Heating Elements
Our Tubular Heating Elements come in Straight Length, Hairpin, Finned and Common Custom Formulations.
Urn Heaters
Urn Heaters are a common choice for coffee urns, steam tables, humidifiers and kettles.  Ours feature copper sheathed heating elements brazed into the flange, brass flange, leak tight gasket, cast iron clamp and NEMA 1 terminal enclosure.
Thick Film Heaters
Alumina Thick Film Heater
Alumina Thick Film Heater
Our Thick Film Heaters use the latest materials to formulate dielectric, conductive and resistive elements for producing high performance heaters, resistors and other circuit elements on insulated steel, stainless steel and ceramic substrates.  


These heaters feature the proprietary Elpor system which electrically insulates metal substrates.  These heaters provide very fast temperature response and uniformity in a low-profile heater which makes them ideal for limited space, and high watt-density applications and applications where output needs to be profiled across the surface.

Elpor - Stainless Steel Thick Film
Elpor - Stainless Steel Thick Film
Flexible Heaters
Flexible Silicone Rubber Heaters have many applications and are an excellent heat source.  Silicone rubber is a superb dielectric material which protects the interior element from physical and environmental damage.  These heaters have the design capability to distribute wattage and create heat patterns within a single heater.  Silicone rubber heaters can come with integrated temperature sensors or thermostats and are available with a wide variety of mounting options.
Flexible Silicone Rubber Heater
Flexible Silicone Rubber Heater
Polyimide Flexible Heaters are thin, low mass and can be produced in endless shapes and sizes.  The polyimide material has high dielectric strength, outstanding dimensional stability and can adhere to three dimensional shapes.  These heaters are also low out gassing and resistant to radiation and most solvents.
Polyimide Flexible Heaters
Polyimide Flexible Heaters
Clearview Heaters provide the high degree of light transmission required for such applications as LCD Screens, Touch Screens, Hand Held Scanners and Images.  Our Clearview does not have the typical electrical design constraints, high power demand, cracking, resistance variation and wide resistance tolerances, and lead location constraints of our competitor's ITO (Indium Tin Oxide) products.  Clearview allows human interface displays to be usable in cold, high humidity/low dew-point environments and locations where ambient temperature can change quickly.
Clearview Optically Clear Heaters
Clearview Optically Clear Heaters
Cartridge Heaters
Cartridge Heater
HEATROD Cartridge Heater
Our HEATROD Cartridge Heaters are available with high watt densities (over 200 watts per square inch).  Combined with a multitude of lead configurations and integrated thermal controls, we can provide fast efficient heat transfer, controlled heat profiles, minimized unheated sections and reduced temperature variations.  
Heat Exchanger
Heat Exchanger
Our Heat Exchangers include all the benefits of the HEATROD cartridge heater and feature an integrated vessel which can be customized in nearly any geometry and configuration.  Multiple inlets, outlets, mounting brackets, and over temperature controls are all available.
Immersion Heaters - Cartridge
Immersion Heaters - Cartridge
HEATROD Immersion Heaters are the choice for heating water and water soluble liquids.  With watt densities over 200 watts per square inch, these heaters provide high performance in a limited space.  Customize your bushing materials, add moisture resistant end seals, and low leakage current to suit your needs. 
Non-stick Immersion Heater
Non-stick Immersion (Patented)
Our revolutionary patented non-stick coating eliminates costly heater removal downtime, is factory applied, resists scraping, improves heat transfer and extends heater life.  Our heaters provide non-stick protection at temperatures up to 1200F and fit in standard heater holes.
Thurston Engineering, Inc. 2010

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