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GD Watermark 1" x 1/2" Poly Irrigation Reducing Nipple - 1600kPa, 25mm Inlet, Polyethylene

★★★★★
117 reviews · 700+ sold
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Last purchased 19 minutes ago by someone in Geelong
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The GD Watermark 1" x 1/2" Poly Irrigation Reducing Nipple is a male-threaded fitting that steps a 1" connection down to 1/2", joining a larger main line to a smaller outlet. Rated to 1600kPa, it handles the working pressure of a reticulation or sprinkler system.

  • Reduction: 1" (25mm) to 1/2"
  • Pressure rating: 1600kPa
  • Inlet size: 25mm
  • Material: Polyethylene
  • Model: GRRN2515

Use it in poly pipe and irrigation systems where a 1" line needs to feed a smaller 1/2" sprinkler or fitting. The polyethylene body keeps it light while the threads hold a firm, leak-resistant join.

More about this product

The GD Watermark 1" x 1/2" Poly Irrigation Reducing Nipple is a male-threaded fitting that connects a larger main line to a smaller sprinkler outlet, reducing 25mm to 15mm.

  • Reduces 1" (25mm) to 1/2" (15mm)
  • Pressure rated to 1600kPa
  • 25mm inlet
  • Polyethylene construction
  • Model GRRN2515

Suitable for plumbing, irrigation and poly pipe applications.

Questions & Answers

What sizes does this reducing nipple connect?

It steps a 1" (25mm) connection down to a 1/2" male thread.

What pressure is it rated to?

1600kPa.

What is the inlet size?

25mm.

What is it made from?

Polyethylene.

What is the model number?

GRRN2515.

Standard Shipping Australia-wide
Ships in 1-2 business days from our Australian warehouses
30-Day Returns
Change your mind? Return within 30 days for a full refund. Item must be unused and in original packaging.

Customer Reviews

4.3 ★★★★☆ 104 reviews
5★
65%
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21%
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
K
Kyle M. 📍 Gladstone QLD
★★★★★
5 months ago
✓ Verified Purchase

Just as described

Works perfectly. Fast delivery. Would recommend to anyone.

P
Priya S. 📍 Mandurah WA
★★★★★
5 months ago
✓ Verified Purchase

Satisfied customer

Had been looking at the GD Watermark for a couple of months. Gd build quality is obvious as soon as you open the box — feels solid and well finished. Easy to set up and works exactly as described. Delivery to Perth in only 3 days which is impressive. Will be buying more from SuperSaver AU for sure.

E
Ethan W. 📍 Hervey Bay QLD
★★★★★
5 months ago
✓ Verified Purchase

Exceptional — 5 stars

Really happy with this. Price was the best I found online and delivery was faster than expected. Product is well made and does exactly what it should. Zero complaints — will buy from SuperSaver AU again.

S
Sarah M. 📍 Sydney NSW
★★★★★
Yesterday
✓ Verified Purchase

Absolutely love it!

Had the GD Watermark on my wishlist for a few weeks and finally pulled the trigger. Arrived in 2 days which was a nice surprise. Build quality is solid and exactly what the photos showed. My partner uses it every day now and has already asked me to grab another one as a gift.

J
James W. 📍 Melbourne VIC
★★★★★
3 days ago
✓ Verified Purchase

Best buy of the year

Ordered Thursday and had it by Saturday. Packaging was really good — nothing moved around. Works exactly as expected and the price was well below what I saw in stores.

E
Emma T. 📍 Brisbane QLD
★★★★★
5 days ago
✓ Verified Purchase

Fast delivery — impressed

Love my GD Watermark. Does the job perfectly and the price was unbeatable.

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