1" FPT Manual Anti-Siphon Valve | 51023
Protect your home's clean water supply and easily manage your irrigation zones with our 1" FPT Manual Anti-Siphon Valve. Designed for above-ground installation, this durable, professional-grade valve combines reliable manual flow control with an atmospheric vacuum breaker to ensure that dirty yard water never contaminates your drinking supply.
Key Features:
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Ultimate Backflow Prevention: Features a built-in atmospheric vacuum breaker with a reliable poppet and seal design that safely prevents irrigation water from siphoning back into your main culinary water line.
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Precision Flow Control: Equipped with an easy-to-rotate manual flow control handle—operable by hand or with a steel sprinkler key—so you can quickly fine-tune your water delivery.
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Damage Prevention: A smart ratchet handle design prevents overtightening, protecting the valve's internal components from unnecessary wear and extending the life of your system.
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Built for the Elements: Crafted from heavy-duty, UV-resistant PVC to withstand harsh sunlight and challenging outdoor environments without degrading or becoming brittle.
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Secure Connections: Features standard 1-inch FPT (Female Pipe Thread) inlet and outlet connections for a seamless, watertight fit with standard PVC pipes and fittings.
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Installation Note: For proper and safe operation, this valve must be installed above-ground on risers, at least 6 to 12 inches higher than the highest sprinkler head in the zone it controls. Designed for outdoor irrigation use with cold water only.