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Holman Poly Air Release Inline Valve 1/2 Inch Plastic Prevents Suck Back is designed to allow clean air into drip systems and prevent debris entry during shutdown.
The Holman Poly Air Release Inline Valve is an essential component for drip irrigation systems, ensuring efficient operation by allowing air to vent during startup and preventing air pockets. This valve features a 1/2 inch BSP male thread inlet, facilitating easy installation into a 19mm x 1/2" BSP female iron tee. Its primary functions are to release air from the drip line when the system is activated and to permit air entry when the system is off, thus preventing a vacuum that could draw debris into the drip line, a condition known as "suck back." Proper installation at the highest point in the system is crucial for optimal performance, and it is recommended to install one valve for every 40Lpm of water flow. This valve is not suitable for low-pressure applications, requiring a minimum operating pressure of 7 meters (70kPa).
| Dimensions (W x H x D) | 70mm x 65mm x 65mm |
| Weight | 0.068kg |
| Material | Plastic |
| Colour | Grey |
| Model Number | 102646 |
The Holman Poly Air Release Inline Valve 1/2 Inch Plastic Prevents Suck Back is a reliable solution for drip irrigation systems.
Specifications will vary by product. Please refer to the product description above or contact us before ordering if you need a specific measurement.
Orders are dispatched from our Sydney and Melbourne warehouses within 1–2 business days of payment. Delivery times from Sydney:
Tracking is provided on dispatch. Remote postcodes may incur additional fees.
We offer a 30-day change-of-mind return on select unopened products in original packaging (excluding health/safety items or bulk purchases). Email us within 30 days of delivery to start a return.
A restocking fee of 7–25% applies, plus return postage (unless approved otherwise). Customer-incurred postage costs are non-refundable without prior approval.
If your product arrives faulty or damaged, contact our support team with your order number, photos/videos of the fault, and the original packaging. Do not return items without a return authorisation.
12-month Australian warranty on this product unless noted otherwise. The warranty covers manufacturing defects under normal use.
The warranty does not cover:
To claim warranty: contact our support team with your order number, photos/videos of the fault, and a brief description. We will assess the claim and offer a replacement, repair, or refund as appropriate.
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