Polaris Scientific UV Ultraviolet Replacement Lamp, Germicidal Lamp, 10W 4 Pin

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Bought the filters with the new lamp. Started by replacing the filters which work as expected. Now I replaced the lamp and nothing, so I tested the ballast and didn't have any electrical power. Started research about he ballast which stated to reset requires a 60 second disconnect for it to work. No luck, I tried several different way's and no luck. I connected I-Filter for help and was told the lamp was bad, they sent a new lamp, The lamp's I had correctly rang out which I had stated. I-Filter didn't know to sell me a new ballast. I purchased a ballast without a need to reset it after a year. The system is now working as intended. I still like the the product. I hope this Helps. Master Electrician Retired.