Sewage system of electric water heater

Sewage system of electric water heater

  • CN 203,810,734 U
  • Filed: 05/20/2014
  • Issued: 09/03/2014
  • Est. Priority Date: 05/20/2014
  • Status: Active Grant
First Claim
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1. a drainage for electric heater, comprises inner bag, water inlet pipe, and outlet pipe, described outlet pipe extends to the headroom of inner bag from the bottom of inner bag, and the sewage outfalls setting of described inner bag has blowoff valve, it is characterized in that:

  • also comprise mixed water valve, water inlet switch;

    The hot water side of described mixed water valve connects outlet pipe, and the cold water side of described mixed water valve connects two current branch roads, and the first branch road connects water inlet pipe, and the second branch road connects water inlet switch;

    On described the first branch road, be provided with and make current from the second branch road, enter the unidirectional control valve of described water inlet pipe;

    Described mixed water valve comprises valve pocket, spool, the hot water valve port at hot water side, the cold water valve port in cold water side, water outlet valve port, and the activity in valve pocket of described spool makes hot water valve port be and be communicated with or cut-off state with water outlet valve port;

    When needs blowdown, described water inlet switch is closed, and described mixed water valve is opened to the position that hot water valve port is communicated with water outlet valve port.

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