Whole House Surge Protection Device. I had these on my outside AC units, not the whole house, now I do! just one little lightning strike sure can do a lot of damage, This is my second time in 13 years of spending months tracking down all the damaged electronics blown away. Just a small note, this small strike not only ran into my house but the house next doors, what I ended up this time of damages is as follows, Lawn sprinkler controls (again), main control board in house furnace, wall thermostat for the furnace, 2 breakers, all of the AT&T equipment for TV and internet, all I'm saying a small price to pay to save a lot of hair pulling
Verified purchase: Yes | Condition: New
Works great easy to install
Verified purchase: Yes | Condition: New
Great product
Verified purchase: Yes | Condition: New
Very Satisfied
Verified purchase: Yes | Condition: New
Great surge protection to protect your electrical and electronic equipment.
Verified purchase: Yes | Condition: New
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