Holman Stormwater Stepped Adaptor 90-75-65-50-40mm
Holman Stormwater Stepped Adaptor 90-75-65-50-40mm
5 in stock
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One fitting that steps down from 90mm stormwater to 75, 65, 50 or 40mm, so a smaller pipe or a downpipe can run into the 90mm line without hunting for the exact reducer.
Each step is a different size, and you cut the adaptor off below the step you need with a fine-tooth saw and clean up the edge. Then it's solvent welded like the rest of the stormwater line, using primer and solvent cement made for PVC. It's a Holman fitting from their range made to the AS/NZS 1254 stormwater standard.
Sold each. Full specs are in the tabs below, and if you're joining two sizes and want a second opinion, call us on (08) 8536 4333 or come in to 34-52 Milnes Rd, Strathalbyn.

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The details
- Brand: Holman
- Type: Stormwater stepped adaptor
- Sizes: 90mm, 75mm, 65mm, 50mm and 40mm
- Use: Cut off below the step you need
- Joint: Solvent weld
- Material: PVC-U
- Standard: AS/NZS 1254 stormwater range
- Product code: SWF0150
- Sold: Each
Why it's worth it
- One fitting covers four step-downs from 90mm
- Handy to keep in the ute for odd joins
Shipping and Returns
We pack and send your order with care, right here from our Strathalbyn store. Most parcels leave within 1-2 business days, and you'll get tracking as soon as it's on the way. If you're local, you can choose click-and-collect or our delivery service at checkout.
If something arrives damaged or not quite right, let us know within 14 days and we'll sort it quickly. You can return unused items in their original condition for a refund or store credit. For safety reasons, we can't accept returns on gas bottles, cut materials, or custom orders.
We're here to make things easy, so if you ever have a question about your delivery or a return, our team is only a call away.
Why you'll love shopping with us
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The fitting you actually need
Bring the old part in and we'll match the thread and size so you're not back twice.
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Set up to last
We point you to the right pipe, glue and fittings for the job, not just what's nearest the till.
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Garden watering sorted
From drippers to timers, we'll help you get water where it needs to go.