Industrial electric water tubular water Immersion flange heater with temperature control are  directly through a threaded opening in a tank wall or through a matching pipe coupling or half coupling.

Sizes of screw plug heaters are available with 1”, 1-1/4”, 1-1/2”, 2”, 2-1/2″ pipe threads.

A wide selection of screw plug sizes, kilowatt ratings, voltages, sheath materials, terminal enclosures and thermostats makes these compact heaters ideal for all types of applications.