null

3/4" Polyethylene Mainline Tubing (0.820" ID x 0.940" OD)

Add to Cart
$42.25

Info

SKU:
34100

Description

High Capacity. Professional Grade Durability.

The 3/4" Polyethylene Mainline Tubing is the professional standard for high-flow irrigation systems, popular for larger home gardens, orchards, and small farms. Designed to handle significantly more volume than standard 1/2" tubing, this supply pipe is ideal for use as a primary header line or a branch line off a larger water source. To protect your system and ensure consistent flow, we recommend installing this downstream from a high-quality pressure regulator.

Commonly referred to as distribution pipe or drip hose, this durable poly tubing maintains excellent water pressure even over long runs. Its 0.820" inside diameter allows for a maximum flow of 480 GPH, providing the capacity needed for multiple zones or high-flow emitters. This tubing is designed to work seamlessly with various irrigation fittings, including Easy Loc, compression, and barbed styles, ensuring a secure and leak-proof installation. Available in 100', 250', and 500' rolls, you can choose the exact length required for your project.

Why Choose 3/4" Polyethylene Mainline?
  • Increased Flow Capacity: With a maximum flow of 8 GPM (480 GPH), this tubing is essential for larger layouts where 1/2" tubing would restrict the flow to 240 GPH.
  • UV-Stabilized Longevity: Molded from virgin polyethylene resin with UV inhibitors, this tubing is built to withstand harsh sunlight and outdoor conditions for years of service.
  • Ease of Installation: Despite its strength, the material remains flexible enough to be easily unrolled and laid out in garden rows or landscapes without the need for specialized heavy equipment.
  • Versatile Connection Options: Compatible with multiple fitting types, allowing you to choose the connection method that best suits your comfort level and system pressure requirements.
Technical Specifications

Understanding exact dimensions is critical for selecting compatible fittings.

Specification Details
Product Type 3/4" Polyethylene Mainline Tubing
Inside Diameter (ID) 0.820"
Outside Diameter (OD) 0.940"
Maximum Pressure 50 PSI
Maximum Flow Rate 480 GPH (8 GPM)
Fitting Compatibility 3/4" Easy Loc, Compression, or Barbed
Material Virgin Polyethylene with UV Stabilizers
MPN N/A
Manufacturer Irritec
Installation & Design Tips

Follow these steps for a successful high-flow mainline setup.

Step 1: Layout
Unroll the tubing and let it sit in the sun for 20-30 minutes. This softens the poly, making it much easier to straighten and work with during installation.

Step 2: Cutting
Use a tubing cutter to ensure a clean, square cut. This is vital for a leak-proof seal, especially when using compression or Easy Loc fittings.

Step 3: Connecting Fittings
If using Easy Loc fittings, rotate the locking nut back, push the tubing over the barb until seated, and twist the nut forward to lock. For compression fittings, push the tubing firmly into the socket with a rocking motion.

Step 4: Securing the Line
Use hold down stakes every 5 to 10 feet to keep the mainline in place and prevent it from shifting due to temperature changes or water pressure.

✔ System Compatibility Check

Ensure this mainline meets your project requirements:

  • Pressure Warning: Not rated for constant pressure. This tubing must be installed after your automated valves or manual timers.
  • Sizing Standards: Because there is no industry standard for "3/4 inch" poly, always verify the 0.820" ID and 0.940" OD before purchasing third-party fittings.
  • Flow Limitations: Do not exceed 480 GPH on a single run of 3/4" tubing to maintain efficient system performance.

Complete Your System

Get everything you need for a professional high-flow installation:

Related Resources

Drip Irrigation

Best Irrigation Brands for Sprinklers and Drip Systems

Aug 11th 2026

The right irrigation brand can make a major difference in your water efficiency, coverage uniformity …
See More
Drip Irrigation

Top 5 Drip Irrigation Systems for Raised Garden Beds

Aug 10th 2026

A drip irrigation system is the most efficient and sustainable solution for watering raised garden b …
See More
Drip Irrigation

How Long to Run Drip Irrigation for a Vegetable Garden

Aug 6th 2026

Your drip timer clicks on, but how long should you let it run? Twenty minutes? One hour? It can feel …
See More
Drip Irrigation

How to Design a Water-Efficient Backyard Landscape

Aug 5th 2026

Water-wise landscaping is functional, beautiful, and easy to maintain in its natural surroundings. I …
See More