It's a risk reduction, not protection . The warranty is marketing hype.
Best to also add local surge protector at high cost devices.
Some homes have gas lines in the attic. There were at least 6 strikes within a few miles of each other South of the Turnpike last year. Two hit gas lines in the attic near the meter.
A lightening protection system will further reduce the risk. Cost was not much more than our insurance deductable.
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