AccuTherm, Inc. offers proven high quality and versatile screw plug immersion heaters. Our large selection of tubular elements enables us to provide quick delivery on our catalog screw plug heaters. Screw plug heaters are used in process heating applications and are easily installed by screwing into a threaded fitting.

Applications

Plug immersion heaters are versatile in heating liquids, gases and air, such as freeze control, heat transfer and processing. Heater elements are directly immersed in the media for optimum efficiency. Whether a catalog design or designed for your specific needs, Accu-Therm, Inc. has HOT IDEAS for your application.

Standard Features

UL & CSA recognition on elements.
3-4 day shipment of catalog heaters in our Fast Ship program.
334 stainless steel (equivalent to Incoloy 840) standard for catalog heaters.
High purity MgO compacted to provide maximum heat conductivity and optimum dielectric integrity.
Fusion welded junction between pin and resistance wire for superior strength.
Recompacted bends on hairpin end of elements to restore MgO density.
Terminal end moisture sealed against the entrance of contaminants during storage.
Various terminals available.
NEMA 1 terminal housing.
Brass, steel and stainless steel screw plugs, depending upon application.
Stainless steel spacer supports where units exceed 28".
1/2" O.D. thermowell for thermostat.
100% inspected for:

Dielectric or HiPot between conductors and sheath of elements.

Insulation resistance.

Wattage.

Optional/Additional Features

NEMA 4 moisture or NEMA 7 explosion resistant wiring enclosure.
MgO filled type J or K thermocouple for hi-limit control.
NOTE: Hi-limit thermocouples welded to element sheath to provide positive sensing protection.
Wide selection of sheath and plug material.
Special lengths, watts and volts available, consult factory.
SPST and DPST thermostat in three common temperature ranges.
Passivation or Electropolishing of elements and plug for pure and deionized water, photo chemicals and special processes.
Stand off housing design for high temperature applications.
Special line of basin heaters available for fast shipment.