Bearing solar water heater pressure relief and emptying system
A technology for solar water heaters and water pipes, applied in the field of pressure relief and emptying devices, which can solve the problems of easy freezing and ice blockage, etc., and achieve the effects of convenient use, reduced installation costs, reduced freezing blockage and cold water drainage
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[0009] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0010] A pressure relief and evacuation system for a pressure-bearing solar water heater is mainly composed of a water tank 1, an upper water pipe 5, a lower water pipe 3, a multi-directional regulating valve 8, a one-way valve 4, a negative pressure valve 2, and a water nozzle 6. The multi-directional regulating valve 8 is connected with the upper water pipe 5, the lower water pipe 3 and the tap water pipe 7. The multi-directional regulating valve 8 has four interfaces A, B, C and D, which are respectively connected to the water pipe 7, the upper water pipe 5, the lower Water pipe 3, water nozzle 6; upper water pipe 5 and lower water pipe 3 are respectively connected with the water inlet and outlet of solar water heater water tank 1, one-way valve 4 is installed on upper water pipe 5, and negative pressure valve 2 is installed on water tank 1; multi-...
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