Heavy-Duty Plumbing Joiners – Professional Poly Pipe Connectors (Bag of 20)
Please note the above shipping is an estimation only. Actual shipping cost can be calculated on the checkout page.
Important shipping notice: This product is not stocked at our Thomastown, VIC warehouse and is dispatched from another local warehouse. Please allow approximately 1-2 weeks for it to reach us before it is ready for pickup or dispatch.
Heavy-Duty Plumbing Joiners – Professional Poly Pipe Connectors (Bag of 20)
Building a robust and reliable irrigation network is essential for consistent nutrient delivery. Our Heavy-Duty Plumbing Joiners are the industry-standard solution for connecting, extending, or repairing standard Australian poly tubing. Engineered with sharp, high-tensile barbs, these fittings provide an incredibly secure "bite" on the pipe, ensuring a watertight seal that can withstand the constant pressure cycles of automated hydroponic systems. Whether you are running a 25mm main spine, a 19mm distribution network, or 13mm feeder lines, these horticultural-grade joiners offer the durability and flow efficiency required for high-performance grow rooms and greenhouses.
Best For: Joining rolls of poly pipe, repairing punctured irrigation lines, extending distribution networks, and building custom high-flow manifolds.
Key Features
- High-Pressure Barbed Grip: Features precision-moulded, aggressive barbs that lock into the tubing, providing superior pull-out resistance and a permanent, leak-proof seal without the need for clips in most low-pressure applications.
- Industrial UV-Stabilisation: Manufactured from premium-grade polymers designed to resist the degrading effects of intense HID/LED grow lighting and direct sunlight, preventing the fittings from becoming brittle or cracking.
- Max-Flow Internal Bore: Optimized internal diameters ensure minimal turbulence and pressure loss, maintaining consistent nutrient delivery to the furthest corners of your irrigation layout.
- Chemical & Salt Resistant: Built to handle the continuous flow of concentrated mineral salts, organic nutrients, and pH adjusters without corroding or leaching harmful chemicals into your reservoir.
- Light-Proof Algae Prevention: The deep black pigmentation ensures total opacity, preventing light from entering the fitting and halting algae growth at the connection point.
- Value 20-Piece Bulk Pack: Provides an ample supply of connectors for large-scale system builds, commercial facility maintenance, or seasonal reconfigurations.
Available Sizes
- 13mm Joiner (Bag of 20): The standard size for secondary feeder lines and smaller hobbyist irrigation setups.
- 19mm Joiner (Bag of 20): The versatile "all-rounder" for medium-flow distribution lines and manifold construction.
- 25mm Joiner (Bag of 20): The professional choice for high-volume main supply lines and commercial-scale irrigation "spines."
Specifications
- Material: High-Impact Polypropylene / ABS
- Fitting Type: Double-Barbed Compression
- Colour: Opaque Black
- Quantity: 20 Pieces per Bag
- Application: Hydroponics, Aquaponics, and Agricultural Irrigation
Installation & Maintenance Tips
- The "Hot Water" Seal: For the easiest installation and the tightest possible seal, dip the end of your poly pipe in a cup of hot water for 10–20 seconds to soften it before pushing it over the barbs.
- Clean Cuts: Always use a dedicated pipe cutter or a sharp blade to ensure a square, flat cut. This allows the pipe to sit flush against the center of the joiner, maximizing the surface area of the seal.
- Clamping for Pressure: While the barbs are highly secure, if you are running a high-pressure pump (over 30 PSI), we recommend using a standard ratcheting poly clip over the joiner for absolute peace of mind.
Ideal For (Uses)
- Main Line Extensions: Connecting multiple rolls of 25mm or 19mm pipe to cover large facility footprints.
- System Repairs: Quickly patching a line that has been accidentally damaged by tools or equipment.
- Custom Plumbing: Creating professional-grade intake and return lines for nutrient reservoirs and mixing tanks.
| Size |
13mm, 19mm, 25mm |
|---|
Oversized Item Delivery Options
Since oversized items require special handling, we may need to provide a custom freight quote for your order and will contact you with an updated shipping rate.
Available options include:
✔ Delivery to your closest depot for pickup - default method
✔ Direct delivery - requires forklift on site
✔ Direct delivery with tailgate lift truck (extra fees apply)
✔ Forklift loading at our warehouse (no extra charge if you arrange your own freight)
✔ Direct truck delivery (available in Victoria)
Important Notes:
- Shipping costs vary by location and method
- Because of the forklift requirement, delivery to the nearest depot is the default option and will be the method used unless you contact us to request otherwise.
Business Delivery:
- Business delivery is available for commercial customers only
- If you select business delivery and your products are bulky, it is your responsibility to ensure you have appropriate equipment (including forklifts) to unload products from the delivery truck
- If you select business delivery and you are not a business, you risk your product not being delivered and may incur additional fees to retrieve your order
- Business delivery customers must provide a valid business address and contact information
- Additional fees may apply for failed delivery attempts due to lack of appropriate unloading equipment
Let us know your preference, and we'll arrange the best solution for you!
Important Note on Availability & Shipping
Our warehouse serves as our office and logistics centre rather than a retail showroom. Because we ship from multiple locations and manage high-turnover stock, not all items are available for immediate pickup.
Lead Times:
- In-Stock Items: Usually ready for dispatch the same day.
- Supplier-Dependent Items: Usually take 2–8 weeks to arrive, depending on supplier availability. Products from Adloheat may take 8–12 weeks to manufacture—they are made to order in Australia by a small business, and longer lead times reflect the care put into quality.
While we strive for fast delivery, some timelines are subject to supplier availability and are beyond our control. We appreciate your patience as we source the best quality gear for your project.
Biosecurity & Interstate Shipping Restrictions
Due to strict state biosecurity regulations, we are unable to ship some products to certain states and territories:
- Potting Mixes cannot be shipped to Western Australia (WA), the Northern Territory (NT), or Tasmania (TAS).
- Seeds cannot be shipped to Western Australia (WA).
Orders placed for these items to restricted states will be cancelled and refunded. It is the customer's responsibility to ensure that the items being ordered can lawfully be delivered to their state or territory.
We Offer the Best Prices
We are committed to offering our customers the best prices possible. If you find the exact same product advertised at a lower price elsewhere, we invite you to contact us and we will review your price match request.
Price Match Conditions:
- The competitor must be an Australian-based seller with a physical presence in Australia
- The product must be the exact same item with a matching SKU or model number
- The product must be in stock and available for purchase at the competitor
- The lower price must be publicly advertised and currently available (not a clearance, closeout, or discontinued item)
- Price matching excludes marketplace platforms including but not limited to Temu and Aliexpress
- Price matching requests must be made before purchase
How to Request a Price Match:
To request a price match, please contact us at sales@greenhousepolytunnels.com.au with a link to the competitor's product listing, or call us on 0418 438 774. Please include the product details and the advertised lower price. We will review your request and respond within 2 business days.
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