Electronic Ballast Guaranteed to Work with GPH810T5L/4P Germicidal UV Purifier/Sanitizer Light Bulb Salcor you would use multiple units

you would use multiple units of the mountable sanitizers

The Samkun Century - JSA-3000 UV Light Bulb For Germicidal Water Treatment is a guaranteed replacement UV bulb that has four pin and wattage of 41 Watts

It can be configured in Graph

orgAquanetics MUV-3 Water Treatment Germicidal UV Light Bulb

We recommend that you replace the light bulb every year for better performance of your system

Electronic Ballast Guaranteed to Work with GPH810T5L/4P Germicidal UV Purifier/Sanitizer Light Bulb Salcor you would use multiple unitsUV 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