This is the fourth I've bought and replaced mine in my system once a year as recommended. I screwed it up for a year and a similar product was sent from another supplier and I was very disappointed with that but that's another story. When you confirm that your supplier is LSE Lighting your purchase is the perfect replacement for the Lennox Healthy Climate UVC 24V lamp which needs to be replaced in your system every year. My service reps have had no issues with this product and have never had a single fault in the time I expect it to work.
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