Overview
The Watlow BHS79J13W-29 immersion heater is a 480V, 1.5 kW, three-phase screw-plug heater engineered for direct immersion heating of industrial liquids. This heater is designed for direct immersion heating of industrial liquids such as water, oils, solvents and process solutions, with installation into tanks, vessels and piping systems. The unit features a 2-inch NPT screw plug for easy installation and removal in existing threaded ports.
Key Features
- Incorporates Watlow’s proven WATROD® round tubular elements for uniform heating and extended service life
- Moisture/explosion-resistant enclosure provides durability in challenging environments
- Three-phase 480V design for industrial and commercial applications
- Steel plug construction with multiple heating elements for consistent thermal performance
- Ensures fast heat-up times, high thermal efficiency, and application reliability
- Optional thermostat and over-temperature switch configurations available
Technical Specifications
Typical Applications
The BHS79J13W-29 is suitable for a broad range of thermal applications including:
- Water and process fluid heating in industrial tanks
- Oil heating systems requiring 480V three-phase power
- Solvent and chemical solution warming in manufacturing processes
- Systems requiring optional thermocouple probes, over-temperature switches, and explosion- or moisture-resistant enclosures to meet safety and control requirements
- Batch heating and continuous circulation applications in refineries and chemical plants
Compatibility & Replacements
Compatible With
- Standard industrial tanks with 2-inch NPT female threaded ports
- Pressure vessels and heating vessels rated for 480V three-phase supply
- Liquid circulation systems requiring immersion heating elements
- Process control systems with separate power controllers for higher amperage loads
- DPST thermostats and pilot-duty temperature controllers
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering to ensure this unit matches existing tank-mounted configurations and electrical specifications.
Works With
- Standard industrial electrical panels rated for 480V, 3-phase power distribution
- Watlow-compatible thermostat and control systems (with separate power controller for high-amperage applications)
- Vessel-mounted temperature sensors and probes
- UL and CSA certified power distribution equipment
