Exhaust pipe of solar water heater

The utility model belongs to the technical field of exhaust of solar water heaters, and particularly relates to an exhaust pipe of a solar water heater, which comprises a stainless steel ball, a first exhaust pipe is connected to the upper side in the stainless steel ball, and a first gas one-way valve is mounted in the first exhaust pipe. A leakage-proof rubber ring is installed at the joint of the first exhaust pipe and the stainless steel ball, the first exhaust pipe penetrates through the interior of the stainless steel ball and extends to the outer side of the stainless steel ball, and a second exhaust pipe is connected to the lower side of the interior of the stainless steel ball, penetrates through the inner side of the stainless steel ball and extends to the outer side of the stainless steel ball. Under the combined action of the stainless steel ball, the first exhaust pipe and the second exhaust pipe, hot water flows back, waste of heat energy is reduced, under the action of the ...