Description
This valve works automatically. It uses a small flap or disc inside. When the pump runs, suction pulls the flap open. When the pump stops, the flap falls closed. It is simple and effective. No moving parts to wear out quickly. Just reliable performance for a long time. This is not a cheap copy. It is a Rietschle part. It meets the exact factory standards. Using it helps your pump run smoothly. It also lowers the risk of damaging other parts inside the pump.
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