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 Size | 3/4″ NPT Female |
|---|---|
| Pack Quantity | 2 Valves |
| Material | Corrosion-resistant + UV-stable |
| Compatibility | Drip irrigation, sprinkler risers, solar water systems |
| Load Protection | Automatically vents trapped air and prevents vacuum collapse |






