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Note to the diagrams: in the case of

Note to the diagrams: in the case of pump operation, a return valve is closed by over-pressure on the pump output; in the case of pump switch-off, the valve is fully opened.)). At our company, we believe in providing excellent customer service, no matter what the problem is for this reason, we offer our customers emergency services, providing them with fast solutions for all of their plumbing needs we have.

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