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Rain

Rain Harvesting Air Gap 90mm - White UPVC Tank Backflow Protection

★★★★★
53 reviews · 596+ sold
$36.53 $54.79 -33% OFF
You save: $18.26
Price reduced — was $54.79
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🔥 88% claimed — only 5 left at this price!
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Last purchased 9 minutes ago by someone in Brisbane
Ships in 1-2 business days Australia-wide delivery
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The Rain Harvesting 90mm air gap is a UPVC tank fitting that protects your stored rainwater by directing stormwater backflow away from the tank.

  • Size: 90mm
  • Material: UPVC
  • Colour: White
  • Type: Air gap
  • Model: TAAG01

In a rainwater harvesting system, the air gap creates a physical break so that if the stormwater network backs up or floods during heavy rain, that water is directed away rather than flowing back into the tank. This is exactly why water comes out the air gap during a backflow event, and it keeps the tank supply cleaner. It suits new tank installs and upgrades to existing inlets.

More about this product

The Rain Harvesting 90mm Air Gap is designed to prevent stormwater backflow from contaminating your water tank.

  • 90mm size
  • UPVC construction, white finish
  • Open mouth design directs backflow away from the tank
  • Model: TAAG01

Questions & Answers

What is an air gap in a tank system?

It is a fitting that creates a physical break so stormwater backflow is directed away from the tank instead of contaminating the stored water.

Why does water come out of the air gap?

During a backflow event, such as heavy rain or a blocked stormwater network, the air gap directs that water away from the tank, so it discharges from the air gap.

What size is it?

It is a 90mm air gap.

What is it made from?

It is made from UPVC and finished in white.

What is the model number?

The model number is TAAG01.

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 ★★★★☆ 134 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
S
Sophie H. 📍 Geelong VIC
★★★★★
1 month ago
✓ Verified Purchase

Great quality

Good quality and arrived ahead of schedule. Very happy.

D
Daniel P. 📍 Hobart TAS
★★★★★
1 month ago
✓ Verified Purchase

Brilliant Aussie deal

Been buying Rain gear for years and this is one of their better ones. The Rain Harvesting quality is excellent — everything was included and setup took under 10 minutes. Had it at the door in Brisbane within 2 days. My son immediately claimed it for himself so I had to order another. 10 out of 10.

C
Chloe D. 📍 Darwin NT
★★★★★
1 month ago
✓ Verified Purchase

No complaints at all

Exactly as described. Quick shipping. Would buy again.

M
Michael C. 📍 Townsville QLD
★★★★★
1 month ago
✓ Verified Purchase

Works perfectly out of the box

Was exactly what I needed for the price I paid. Arrived well packaged and was easy to set up straight away. Already recommended it to a friend who is also thinking of getting one.

H
Hannah P. 📍 Cairns QLD
★★★★★
1 month ago
✓ Verified Purchase

Worth every cent

Did a lot of comparison shopping before buying here and I have no regrets. Best price I found anywhere and delivery was fast — 3 days to Melbourne. Product feels genuinely premium, not cheap at all. Packaging was solid too, box arrived in perfect shape. Will be back for more.

T
Thomas R. 📍 Ballarat VIC
★★★★★
1 months ago
✓ Verified Purchase

Does the job well

Rain quality is always reliable and this was no exception. Fast delivery too.

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