Electronic Ballast Guaranteed to Work with WEDECO/Ideal Horizons - IV-8 UV Light Bulb for Germicidal Water Treatment 820913230 this is most likely the

this is most likely the culprit

The germicidal water treatment has single pin on both ends and the ceramic bulb has a length of 33

The quartz plate isolates the cooling air from the substrate environment without blocking the UV light

The Siemens LP4580 Replacement Germicidal UVC bulb has a total length of 61

This bulb is durable and reliable

Electronic Ballast Guaranteed to Work with WEDECO/Ideal Horizons - IV-8 UV Light Bulb for Germicidal Water Treatment 820913230 this is most likely theUV 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