Norma Pacific Pty Ltd (GUYCO)

Poly Non-Return Valve

SKU: VAL321

Size: 25mm

Variant

$59.51

B2B Login

Order today — dispatches the next business day

Poly Non-Return Valve

Ensure reliable one-way water flow with the Poly Non-Return Valve, a high-performance plumbing fitting designed to prevent backflow in irrigation, agricultural, and general plumbing systems. Made from durable, lightweight polyethylene, this valve provides corrosion resistance and long service life, making it ideal for use in harsh water environments.

Key Features:

Sizes available: 25mm to 50mm
Material: High-quality polyethylene (poly) construction
Function: Prevents reverse flow and protects equipment and water supply
Applications: Ideal for irrigation systems, rural water supply, and general plumbing
Design: Simple installation with minimal maintenance required
Compliance: Manufactured to meet Australian Standards for certified plumbing systems

A dependable, cost-effective solution for maintaining system integrity and ensuring directional water flow.

We aim to dispatch all orders within 1 business day

Free pickup at any Burdens storeFree

Local Burdens delivery$55 flat

Courier (Small / Standard / Large)$15–$100

*Large items may be delivered to a local depot if required.

View full shipping policy

↩ View returns & refund policy

Australian Owned & Operated

Local support, local stock, and a team that speaks your language.

15 Stores across Victoria

Free in store pickup + Local delivery options

Expert Advice, No Guesswork

Our team’s here to help you get it right—first time, every time.

Trusted by the Trade for 80+ Years

Decades of industry know-how and real-world experience.

Got questions about this product?

Head over to our Frequently Asked Questions (FAQs) page for more details on ordering, delivery, installation, and warranties — or reach out to our team for personalised help

Frequently Asked Questions