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Protecting through flow water heating system from limescale build-up by using thin wall section which is punctured and water led back to pressure switch
Protecting through flow water heating system from limescale build-up by using thin wall section which is punctured and water led back to pressure switch
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机译:通过穿刺薄壁部分并将水引回到压力开关,保护流通水加热系统免受水垢的积聚
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摘要
The heating section (2) of a through flow heating system (1) has a thin wall section (14) adjacent a control section (13) which, in the event of severe scaling, will rupture and increase the pressure on one side of a differential pressure switch (8) interrupting the electrical supply.
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