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Rain

Rain Harvesting 90mm Flanged Tank Overflow, Extra High Volume, Grey PVC

★★★★★
101 reviews · 204+ sold
$12.47 $18.71 -33% OFF
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Last purchased 17 minutes ago by someone in Canberra
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The Rain Harvesting 90mm flanged tank overflow is an extra high volume overflow for rainwater tanks, helping clear large volumes of water when the tank fills. If you have wondered why a rainwater tank overflows, a dedicated overflow fitting like this directs that excess water away cleanly and at high flow.

  • Size: 90mm
  • Type: Flanged tank overflow, extra high volume
  • Material: PVC
  • Colour: Grey

The flanged design lets it install neatly to the tank wall and connect to standard plumbing on the outlet side. It is well suited to managing overflow on tanks that fill quickly during heavy rain.

More about this product

The Rain Harvesting 90mm Flanged Tank Overflow is an extra high volume overflow that helps clear large volumes of water from a rainwater tank. The flanged design allows neat installation to the tank.

  • 90mm size
  • Extra high volume overflow
  • Flanged fitting for tank installation
  • Grey PVC construction

Questions & Answers

What is a tank overflow for?

It directs excess water out of the tank cleanly when the tank is full.

What does extra high volume mean?

It is designed to clear larger volumes of water than a standard overflow during heavy rain.

What size pipe does it suit?

It is a 90mm overflow.

How does it mount?

It has a flanged design for fitting to the tank wall.

What is it made from?

It is made from PVC.

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 ★★★★☆ 114 reviews
5★
65%
4★
21%
3★
8%
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1★
2%
✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
T
Tanya B. 📍 Mildura VIC
★★★★★
4 months ago
✓ Verified Purchase

Good buy — fast shipping

Really good value — compared it to similar products at twice the price and there is very little difference in quality. Fast shipping and arrived in perfect condition.

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 Rain Harvesting for a couple of months. Rain 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 Rain Harvesting 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.

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