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Front-angle photo of an Irritrol 533 adjustable flood bubbler showing the twist-top flow adjuster, 1/2 in female NPT inlet and lavender ABS body for outdoor irrigation.

Irritrol 533 Adjustable Flood Bubbler — 1/2 in FNPT, 0–6 GPM

Brand: Irritrol
Save 44%
$4.71
$2.65
SKU 533
In Stock (1108)

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Designed for precise, localized watering, the Irritrol 533 Adjustable Flood Bubbler delivers dependable, hand-adjustable flow control for flower beds, shrub areas and ground covers. Built from heavy-duty UV-resistant ABS, the 533 offers simple on-head adjustment and long outdoor life for contractors and home gardeners alike.

  • True zero flow shut-off: Stops flow completely for maintenance or seasonal shut-down without removing the unit.
  • Twist-top flow adjustment: Smooth, tool-free control lets you set output quickly from low to high.
  • Adjustable arc and flow: Customize spray pattern and delivery to suit beds, roses, shrubs and containers.
  • Performance specs: Flow rate 1.36–5.90 GPM; recommended pressure 20–40 psi; maximum 75 psi for short periods.
  • Connection & size: 1/2 in female NPT inlet fits standard 1/2 in risers or PVC; compact dimensions for tight planting areas.
  • Durable construction: Heavy-duty ABS body and UV-stable materials; available in lavender to identify non-potable systems.

Easy to install and simple to service, the 533 is ideal where accurate, localized irrigation matters. Use it to deliver uniform flow across a wide pressure range and to give plants the gentle, targeted watering they need.

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Frequently Asked Questions

What inlet size does the Irritrol 533 use?
The 533 uses a 1/2 in female NPT inlet and fits standard 1/2 in risers or PVC fittings.
How do I adjust the flow and spray arc on the 533?
Twist the top to change flow settings; the head also adjusts arc to control pattern and coverage.
What pressure range is recommended for the 533 bubbler?
Recommended working pressure is 20–40 psi (maximum short-term pressure up to 75 psi).
Is the 533 suitable for non-potable irrigation systems?
Yes. The 533 is available in lavender to identify non-potable lines and is UV-resistant for outdoor use.

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