Rewireable type Glass Immersion Heater is fitted with flange for ease of installation, wherein red marks indicate hot and cold portions. The Glass Immersion Heater is a rewireable type device that is made of silica tube and glass. The Glass Immersion Heater consumes 1000 Watts to 3000 Watts during operation. Rewireable type Glass Immersion Heater requires 230 Volts to operate efficiently and comes in a total length of 18 inches, 24 inches and 30 inches.