Circulation Heaters

Typical Applications: Fuel Oils (Bunker C and Number 6

Recommended Materials

Screw Plug:Steel

Flange: 150-lb Steel

Tank:Steel

Elements: Steel Sheath

Housing: NEMA 1 Terminal Housing

Typical Applications: Medium Weight Oils ● Heat Transfer Oils ● Liquid Paraffin

Recommended Materials

Screw Plug: 304 Stainless Steel

Flange: 150-lb Steel

Tank: Steel

Elements: Incoloy® 800 Sheath

Housing: NEMA 1 Terminal Housing

Typical Applications: Lightweight Oils ● Degreasing Solutions ● Heat Transfer Oils

Recommended Materials

Screw Plug:Steel

Flange: 150-lb Steel

Tank: Steel

Elements: Steel Sheath

Housing: NEMA 1 Terminal Housing

Typical Applications: Forced Air & Gases ● Caustic Solutions ● Degreasing Solutions

Recommended Materials

Screw Plug: 304 Stainless Steel

Flange: 150-lb Steel

Tank: Steel

Elements: Incoloy® 800 Sheath

Housing: NEMA 1 Terminal Housing

Typical Applications: Process Water

Recommended Materials

Screw Plug: 304 Stainless Steel

Flange: 150-lb Steel

Tank: Steel

Elements: Incoloy® 800 Sheath

Housing: NEMA 1 Terminal Housing

Typical Applications: Clean Water

Recommended Materials

Screw Plug: Brass

Flange: 150-lb Steel

Tank: Steel

Elements: Copper Sheath

Housing: NEMA 1 Terminal Housing

Typical Applications: Deionized Water ● Demineralized Water

Recommended Materials

Screw Plug: 316 Stainless Steel

Flange: 150-lb 316 Stainless Steel

Tank: 316 Stainless Steel Tank

Elements: 316 Stainless Steel Sheath

Housing: NEMA 1 Terminal Housing

Nickel 18-20%, Chromium 18-22%, Iron balance. Has about 10% less nickel than Incoloy 800. Used in many air heating applications, where it has exhibited superior oxidation resistance at less cost than Incoloy 800.

Nickel 30-35%, Chromium 19-23%, Iron balance. The high nickel content of this alloy contributes to its resistance to scaling and corrosion. Used in air heating and immersion heating of potable water and other liquids.

Chromium 16-18%, Nickel 11-14%, Iron balance. (316L – Low Carbon) Modified with the addition of Molybdenum (2-3%) to improve corrosion resistance in certain environments, especially those which would tend to cause pitting due to the presence of chlorides. Applications include deionized water. Maximum Sheath Temperature: 1200°F / 649°C

Chromium 18-20%, Nickel 8-11%, Iron balance. (304L – Low Carbon) Used in the food industry, medical, and chemical heating. Maximum Sheath Temperature: 1200°F (649°C)

Chromium 17-20%, Nickel 9-13%, Iron balance. Modified with the addition of Titanium to prevent carbide precipitation and resulting intergranular corrosion that can take place in certain mediums when operating in the 800-1200°F (427-649°C) temperature range.

Standard Copper Alloy A low temperature, inexpensive material used mainly for clean water heating. Maximum Sheath Temperature: 350°F / 177°C

Nickel 38-46%, Chromium 19.5-23.5%, Molybdenum 2.5-3.5%, Iron balance Available for a limited number of diameters. Consult Tempco for more information.

Used for clean water and other non-corrosive materials

Used for corrosive materials

Used for corrosive materials

Used for oils and other non-corrosive materials

If your filter selections do not return your desired results from our standard configurations, please continue to select your Specifications. When you are finished, save your selections in the Wish List (using the button at the right of this page) and follow the steps to submit them to Tempco.

A Nickel (30-35%), Chromium (19-23%), Iron alloy. The high nickel content of this alloy contributes to its resistance to scaling and corrosion. Used in air heating (also see Incoloy® 840) and immersion heating of potable water and other liquids that are not corrosive to an Incoloy® 800 sheath.

A Chromium (18-20%), Nickel (8-11%), Iron Alloy used in the food industry, sterilizing solutions, air heating and many organic and inorganic chemicals.

A Chromium (18-20%), Nickel (8-11%), Low Carbon Iron Alloy used in the food industry, sterilizing solutions, air heating and many organic and inorganic chemicals.

A Chromium (16-18%), Nickel (11-14%), Low Carbon Iron Alloy with Molybdenum (2-3%) added to improve corrosion resistance in certain environments, especially those that would tend to cause pitting due to the presence of chlorides. Applications include deionized water.

Low Carbon Steel: Applications include fluid heat transfer media, tar, high to low viscosity petroleum oils, asphalt, wax, molten salt, and other solutions not corrosive to a steel sheath.

If your filter selections do not return your desired results from our standard configurations, please continue to select your Specifications. When you are finished, save your selections in the Wish List (using the button at the right of this page) and follow the steps to submit them to Tempco.

For Use with Thermostat: N/A

For Screw Plug Heater Sizes: 1″ 1-1/4″ 2″ 2-1/2″

For Use with Thermostat: Single Pole

For Screw Plug Heater Sizes: 1″ 1-1/4″ 2″ 2-1/2″

For Use with Thermostat: Double Pole

For Screw Plug Heater Sizes: 1″ 1-1/4″ 2″ 2-1/2″

For Use with Thermostat: N/A

For Screw Plug Heater Sizes: 1″ 1-1/4″ 2″ 2-1/2″

For Use with Thermostat: Single Pole

For Screw Plug Heater Sizes: 1″ 1-1/4″

NEMA 4 rating For heaters with thermostat 4 and 5 inch flanges Requires the use of the cover gasket

For Use with Thermostat: Double Pole

For Screw Plug Heater Sizes: 2″ 2-1/2″

Alternate Nema 1 Housing

For Use with Thermostat: N/A

For Screw Plug Heater Sizes: 1″ 1-1/4″ 2″ 2-1/2″

For Use with Thermostat: N/A

For Screw Plug Heater Sizes: 1″ 1-1/4″ 2″ 2-1/2″

NEMA 7 rating For heaters having no thermostat 6 through 14 inch flanges See Learn More for flange sizes and measurements.

For Use with Thermostat: Single Pole

For Screw Plug Heater Sizes: 1″ 1-1/4″

For Use with Thermostat: Single or Double Pole

For Screw Plug Heater Sizes: 2″ 2-1/2″

If your filter selections do not return your desired results from our standard configurations, please continue to Refine Results for your specifications. When you are finished, save your selections with the Save Results for Quote button (at the right of this page) and choose Request for Quote for further assistance.