This Screw Plug Immersion Heater consists of a tubular element welded or brazed into a threaded screw plug which can be inserted into a threaded opening in a tank wall or through a mating full or half coupling. Features a Brass Screw Plug with a Copper Sheath. Process water, water with very weak chemical solutions, demineralized, deionized or pure water, hot water storage for washrooms, showers, cleaning and rinsing parts, for freeze protection of cooling towers and sprinkler systems and other aqueous solutions not corrosive to copper. Can handle temperatures to 350 degrees F.

Tempco Immersion Heater,Circulation,1500W,120/1 This Tempco Circulation Heater features a NEMA 1 Terminal Housing with a copper finish. Made in the USA.

Tempco Immersion Heater,Circulation,2000W,120/1 This Tempco Circulation Heater features a NEMA 1 Terminal Housing with a copper finish. Made in the USA.

Tempco Immersion Heater,Circulation,3000W,240/1 This Tempco Circulation Heater features a NEMA 1 Terminal Housing with a copper finish. Made in the USA.

Tempco Immersion Heater,Circulation,500 W,120/1 This Tempco Circulation Heater features a NEMA 1 Terminal Housing with a copper finish. Made in the USA.