Pack of 3 non-return valves (check valves) in 50mm PVC. Prevents backflow in pool plumbing — essential on solar panel circuits and return lines. Spring-loaded flap opens under pump pressure and closes automatically when flow stops. Solvent weld connections. Three-pack for multi-line installations.
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★★★★★Rated 5 out of 5
“A review from a customer who benefited from your product. Reviews can be a highly effective way of establishing credibility and increasing your company's reputation.”