Electronic Ballast Guaranteed to Work with Wedeco - XLR-20 UV Light Bulb for Germicidal Water Treatment Smart UV 18 Watt If you are not getting

If you are not getting the same curing power or lamp hours as you used to

The lamp has miniature bi-pin on both ends

Guaranteed Replacement Ultraviolet (UV) Bulb - Single Pin Double Ends - 25 Watts - 21

The Lennox International UV500 Replacement UVC Light Bulb is a 22 Watt Air Treatment UV Bulb and has a 4 Pin Cell Base on a Single End

orgSteril-Aire DE 361 VO Air Treatment Germicidal UV Light Bulb

Electronic Ballast Guaranteed to Work with Wedeco - XLR-20 UV Light Bulb for Germicidal Water Treatment Smart UV 18 Watt If you are not gettingUV 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