Ideal for stopping water backflow ro siphoning and have a very low opening pressure. Stainless spring - No corrosion or risk of internal valve staying open. Very low opening pressure with minimal restriction on flow-rate. Minimal installation room needed and no other fittings required. The White Arrow identifies water flow direction. Recommended operating pressure: 0 - 150 psi (Max 230 psi). Recommended operating Temperature: 65°C (Max 93°C). Glass reinforced nylon composite - High strength, stiffness and light weight. Immune to corrosion and electrolysis for long service life. Chemical resistant - Impervious to diesel, petrol and antifouling paints. UV resistant, suitable for all marine environments.
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A1 service had to ring them because I stuffed up my order and the gentleman I spoke with was super helpful and fixed and shipped my order the same day triple A service