Electronic Ballast Guaranteed to Work with Siemens - LP4290 UV Light Bulb for Germicidal Water Treatment Model_NeoTitan UVT-1606WS This replacement germicidal bulb has

This replacement germicidal bulb has a 4 pin base on a single end that is used for air purification

The quartz sleeve is compatible with the following:

Water Master:

Aqua Azul L-1-807 Replacement UVC Light Bulb

the germicidal UV bulb acts on the genetics of the microorganisms present in water and renders them incapable of reproduction

Electronic Ballast Guaranteed to Work with Siemens - LP4290 UV Light Bulb for Germicidal Water Treatment Model_NeoTitan UVT-1606WS This replacement germicidal bulb hasUV ballast guaranteed to work with your UV germicidal system Features: Guaranteed to work with your UV Germicidal Bulb. Comes complete with wiring diagram necessary to run your bulb(s) Industry leading 5 YEAR WARRANTY UL Listed Ballasts can be complicated. Nobody replaces ballasts regularly. Inevitably, ballasts are needed when you go to change out the UV bulb at your machine's recommended intervals when you realize that the new bulb is not lighting