Open Coil Heaters (OCH) and elements consist of helical wound nickel-chromium resistance wires supported by interlocking ceramic insulators.
Include a flange mounted well for heater(s) with integral J-box for field terminations
Heater elements may be accessed without removing tank from service
NEMA 12, 4, 4X, 7 terminal housings available
Thermowell for high temperature limit sensor
ASME Code stamp available
