Unknown Heater Element 91YS08 17-3/4 Long

Description:

The UNKNOWN Heater Element 91YS08 is an electric immersion heating element designed for industrial heating applications requiring three-phase 480 VAC power and 4 kW output. Commonly installed in tanks, process vessels, boilers, wash systems, and fluid heating equipment requiring efficient and uniform heat transfer. Maintenance teams, OEMs, and plant operators use this heater for repair, retrofit, expansion, or replacement of existing electric heating elements. The element has an overall length of 17-3/4 inches and is commonly found as surplus or OEM equipment.

Applications:

The UNKNOWN 91YS08 Heater Element is used in industrial applications requiring direct heating of liquids, oils, water, or process fluids. It is commonly found in chemical processing equipment, parts washers, water heaters, tanks, and manufacturing systems where precise temperature control and reliable heating are essential. Three-phase immersion heaters are widely used because they provide efficient heat transfer, balanced electrical loading, and long service life in continuous-duty environments.

Technical Specifications:

• Manufacturer: Unknown
• Part Number: 91YS08
• Product Type: Electric Immersion Heater Element
• Function: Direct heating of liquids and process fluids
• Rated Voltage: 480 VAC
• Phase: 3 Phase (3P)
• Power Rating: 4 kW
• Frequency: 50/60 Hz
• Overall Length: 17-3/4 in.
• Heating Type: Immersion / Screw Plug Heater
• Application: Tank and Process Fluid Heating
• Compatible Media: Water, Oils, and Non-Corrosive Process Fluids
• Element Material: Stainless Steel 
• Mounting Type: Screw Plug / Threaded Mount (application dependent)
• Operating Environment: Industrial Indoor Service
• Designed for Continuous Industrial Operation
• Industrial Grade Construction for Long Service Life
• Condition: New Open Box / Surplus units commonly available.

Common Replacements:

• CROMALOX 480V 3-Phase Immersion Heater, 4 kW 
• Helios G11/2 Screw-In Heating Element, 480V, 4.5 kW
• Generic 480V 3-Phase Stainless Steel Immersion Heater