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3/4″ NPT Auto Air Relief Valve – 2-Pack

$12.99 on Amazon.com (as of October 15, 2026, 5:01 PM EST) View details ↗

Eliminate air locks and prevent vacuum collapse in your irrigation system with these **GQAQZQ 3/4″ NPT Auto Air Release Valves**. Designed for drip irrigation, sprinkler risers, and solar water systems, these valves automatically bleed trapped air at startup while allowing air back in during drain-down—keeping water flow steady and protecting soft tubing from pressure damage. No more blocked drippers or flattened lines; just reliable performance, season after season.

Built to withstand harsh outdoor conditions, these valves feature a **corrosion-resistant body** and **UV-stable materials**, ensuring long-lasting durability in sun, frost, or fertilizer exposure. Each valve threads into standard 3/4″ NPT female connections, making them a universal fit for irrigation zones, agricultural water lines, and greenhouse setups. The **2-pack** covers two zones or provides spares for quick replacements, giving you flexibility for larger systems or backup needs.

Thread Size3/4″ NPT Female
Pack Quantity2 Valves
MaterialCorrosion-resistant + UV-stable
CompatibilityDrip irrigation, sprinkler risers, solar water systems
Load ProtectionAutomatically vents trapped air and prevents vacuum collapse
Can these valves be used in both residential and agricultural irrigation systems?
Yes, they’re designed for **both drip irrigation (residential gardens) and larger agricultural water lines**, as long as the connections match 3/4″ NPT.
How do I know if my system needs an air release valve?
If you experience **inconsistent water flow, air pockets in drippers, or flattened tubing**, these valves will help by automatically venting trapped air and preventing vacuum damage.
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