Solar water heater with lightning arrester

The utility model relates to the technical field of solar water heaters. The utility model relates to a solar water heater, in particular to a solar water heater with a lightning arrester. The solar water heater comprises a solar water heater body and lightning rods. The solar water heater body comprises a water tank and a supporting frame. The water tank is arranged on the support frame; a mounting bottom plate is arranged at the bottom of the support frame; a second connecting box is arranged at the top of one end of the mounting baseplate; a first connecting box is arranged at the top of the second connecting box; the lightning rod is arranged in the first connecting box; vertical rods are arranged at the bottom of the lightning rod. Bases are arranged at the bottoms of the vertical rods; vertically arranged connecting rods are connected to the two ends of the bottom of the base; one end of the connecting rod penetrates through the partition plate and is connected to two ends of thetop of the nut slider; t