Wrekin SE1 Replacement UV Lamp - 21/25w- (G436-LI)

Wrekin SE1 Replacement UV Lamp – 21/25W (G436-LI) | 4-Pin UV Bulb

The Wrekin SE1 Replacement UV Lamp (G436-LI) is a high-quality 21/25-watt UV-C germicidal bulb designed to maintain effective UV water disinfection across a range of domestic and commercial UV systems. Producing consistent ultraviolet output, this lamp helps neutralise bacteria, viruses, and other harmful microorganisms, ensuring safe, clean water throughout your supply.

This lamp forms part of our UV replacement parts range and is manufactured to meet the demands of continuous UV sterilisation systems.

⭐ Key Features & Benefits

Effective UV-C Water Sterilisation

• 21/25W UV output for reliable microbial inactivation

• Helps maintain water safety and system compliance

Wide Compatibility

Fits the following UV systems:

Wrekin UV Systems

• Wrekin SE1 Stainless Steel UV Systems

Watts UV Systems

• Watts WUV6-230

• Watts PWUVBULB6

Wonder UV Systems

• W-360

• E-360

• C-360

• HC-360

• PC-6

• F-6

• FC-6

• FS-6

• ES-6

• ET-6

May also fit other UV systems – always match using the bulb reference code.

Reliable, Long-Life Performance

• Consistent UV output throughout its operational life

• Designed for continuous use in UV water filtration systems

Simple Replacement

• 4-pin, single-ended configuration

• Direct replacement — no modification required

🔧 Technical Specifications

🔍 Important Installation Note

Please check the bulb code on your existing UV lamp before ordering. UV systems can look similar, but correct bulb matching is essential for safe and effective operation.

🏠 Ideal Applications

• Domestic UV water filtration systems

• Private water supplies

• Commercial UV disinfection installations

• Routine UV lamp replacement and maintenance

📦 Order Your Wrekin SE1 UV Replacement Lamp Today

Restore full UV sterilisation performance and protect your water supply with this trusted 21/25W UV replacement bulb, supplied with expert support from Wrekin Water.