3 year warranty / 10,000.00 coverage if part fails to protect connected equipment. I installed the surge protector on the outdoor unit and ensured it was functional. I washed the evaporator coil thoroughly with chemicals, allowed time to soak, and rinsed it with water. We provided this cleaning to address dirty Sox syndrome and customer is aware that it will likely return, with no estimated time frame, without preventive u/v devices.
