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Plumbing regs,
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Search AS/NZS 3500 and the National Construction Code by voice, photo, or text. Every answer cites the exact section it came from — no guessing on site.

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9:41
QuickReg
What's the minimum trap arm length for a 1½″ fixture drain?
Per AS/NZS 3500.2 Section 4.6, trap arm length must not exceed 1.8 m for a 40 mm drain…
AS/NZS 3500.2 · p.41
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9:41
QuickReg
What's the minimum trap arm length…
Per AS/NZS 3500.2 Section 4.6…
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9:41
QuickReg
Is this trap compliant?
Based on the installation, the P-trap is correctly seated, however the standpipe of ~18″ exceeds the AS/NZS 3500.2 maximum of 15″…
AS/NZS 3500.2 · §4.6
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9:41
QuickReg
Minimum grade for PVC-U below ground?
AS/NZS 3500.2 requires PVC-U pipes used below ground to be at least SN6 (SDR41).
Sources
AS/NZS 3500.2
§4.6 Trap arms · p.41
text
AS/NZS 3500.2
Table 4.1 · p.38
table
AS/NZS 3500.1
§3.2 · p.22
drawing

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QuickReg retrieves the exact regulation excerpts that apply — straight from the official AS/NZS 3500 series and NCC.

03

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You see the answer, the page, the section, and the figure or table. Tap to read the source verbatim.

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QuickReg covers AS/NZS 3500.0–4, AS/NZS 5601 (gas), and NCC Volume 3 — the regulations licensed Australian plumbers actually work to. Every conversation is saved so you can resume on the next call-out.

AS/NZS 3500.0 AS/NZS 3500.1 Water AS/NZS 3500.2 Sanitary AS/NZS 3500.3 Stormwater AS/NZS 3500.4 Heated AS/NZS 5601 Gas NCC Vol 3
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Min trap arm length for 1½″ fixture
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Backflow prevention — commercial kitchen
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FAQ

Questions, answered.

Is QuickReg professional advice?

No. QuickReg is an information tool. Always verify against the current edition of the relevant regulation before relying on an answer for installation, sign-off, or certification.

Which regulations does it cover?

The full AS/NZS 3500 series (water, sanitary, stormwater, heated water), AS/NZS 5601 gas-fitting, and NCC Volume 3. We track the most current editions and update as new versions are released.

Will it make things up?

No. QuickReg answers only from regulation excerpts it actually retrieved. If the answer isn't in scope, it tells you it doesn't know — it doesn't guess.

Does voice input work on noisy job sites?

Yes. The microphone is tuned for site conditions. Hold to talk and the app transcribes plumbing terminology accurately, even through compressors and saws.

How does the photo answer feature work?

Snap a fitting, schematic, or installation. QuickReg reads the image, identifies what's relevant, and checks it against the code. Best for compliance spot-checks in tight spaces.

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