These compact screw plug immersion heaters are designed for efficient, reliable heating of clean water in tanks, reservoirs, and process vessels. Built around a 1 1/4" NPT screw plug with durable metal construction and copper elements, they provide fast heat transfer and long service life in demanding industrial and commercial applications.

• Available in multiple voltage options, including 120V and 240V
• Wide wattage range from low to high power for precise heat output and process control
• Immersion length: B = 6 1/8" for compact installations and tight spaces
• Minimum hole diameter: A = 1 1/2" for easy mounting into standard tank openings
• 1 1/4" NPT screw plug in brass or steel for secure, leak-resistant installation
• One or two high-quality copper heating elements for optimal heat transfer
• Engineered watt densities to balance rapid heating with reduced element stress
• Ideal for clean water heating in industrial equipment, wash tanks, rinse systems, and general service
• Compatibility with corrosion and watt density guidelines for proper material selection and sizing
• Availability: usually ships in 10–15 days

These immersion heaters are an excellent choice when you need a compact, screw-in water heater element with dependable performance and straightforward installation. Whether you are replacing an existing element or specifying components for new equipment, the standardized NPT plug, consistent immersion length, and broad power range make selection simple and flexible.