Replacement UVC Light Bulb

Aqua Treatment Service ATS4-739 UV Light – 4-Pin, 29", 33W UVC Lamp

The Aqua Treatment Service ATS4-739 UV Light is a professional-grade ultraviolet germicidal lamp designed for use in water disinfection and treatment systems. Engineered for consistent performance and reliability, this 4-pin UVC lamp emits radiation at a wavelength of 253.7 nanometers, effectively neutralizing bacteria, viruses, molds, yeasts, and protozoan pathogens. The lamp’s quartz construction and precision electrode design ensure stable UV output throughout its service life, providing dependable microbial control in both residential and commercial water treatment applications.

Technical Specifications

• Manufacturer: Aqua Treatment Service (ATS)
• Model Number: ATS4-739
• Product Type: Replacement UVC Germicidal Lamp
• Lamp Length: 29.09 inches (739 mm)
• Base Type: 4-Pin Connector
• Wattage: 33 Watts
• UV Output Wavelength: 253.7 nanometers (UVC Range)
• Lamp Life: 10,000 hours (nominal)
• Construction Material: High-purity quartz glass
• Operating Voltage: Rated for standard UV disinfection system configurations
• Operating Temperature: Optimized for stable UV intensity under normal water treatment operating conditions
• Germicidal Efficiency: Inactivates bacteria, viruses, fungi, and protozoan cysts by disrupting DNA/RNA replication capability
• Pathogen Control: Effective against microorganisms such as Giardia, Cryptosporidium, E. coli, and Legionella
• Mounting Orientation: Horizontal or vertical, depending on system design
• Compatibility: Designed for use in Aqua Treatment Service ultraviolet water purification systems and compatible units of similar specification
• Maintenance: Replace annually or after 10,000 operational hours for optimal UV intensity
• Compliance: Meets professional water disinfection performance and safety standards

Performance and Application

The ATS4-739 UVC lamp provides high-output ultraviolet radiation for reliable microbial disinfection in flowing water systems. At its 253.7 nm peak wavelength, the lamp disrupts the genetic material of pathogens, preventing reproduction and rendering microorganisms inactive. This method ensures physical sterilization without the use of chemicals, maintaining water quality without altering taste, odor, or pH. The lamp’s 33-watt output and precision electrode design deliver consistent UV intensity across its 10,000-hour operational lifespan. Typical applications include ultraviolet water sterilizers, filtration systems, process water treatment, and point-of-entry purification systems in both residential and light commercial environments.

Summary

The Aqua Treatment Service ATS4-739 29" 33W 4-Pin UV Light provides professional contractors with a durable and high-efficiency germicidal lamp for ultraviolet water disinfection systems. Engineered for long life and stable UV output at 253.7 nm, it ensures consistent microbial control and system reliability in professional water treatment installations.