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Onga Main Drain & Hydrostatic Valves
Onga Main Drain & Hydrostatic Valves Onga Main Drain & Hydrostatic Valves Onga Main Drain & Hydrostatic Valves
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Onga Main Drain & Hydrostatic Valves

The Onga Main Drain & Hydrostatic Valves is a pool circulation fitting designed for residential and commercial swimming-pool installations. For these installations, it helps improve control, monitoring and day-to-day system operation through purpose-built components selected for pool and aquatic environments.
Warranty 1 year
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Applications

  • Pool main drain assembly

Key Features

  • Screw down lockable lid
  • Includes hydrostatic valve and pilot tube
  • Compliant to AS1926.3

Downloads

Onga Main Drain & Hydrostatic Valves Technical Data Sheet PDF Onga Main Drain & Hydrostatic Valves Manual PDF

Technical specifications

View full specification table
Brand Pentair
Model Onga Main Drain
Equipment Category Onga Main Drain & Hydrostatic Valves
Compliance AS1926.3
Warranty 1 year

Frequently asked questions

What is an Onga main drain used for?
An Onga main drain is installed at the lowest point of a pool to provide a suction point for water circulation and drainage within the pool system.
What are dual ports on a pool main drain?
Dual ports provide two plumbing connection points on the main drain body, giving installers flexibility when connecting the pool circulation pipework.
When should a hydrostatic valve be checked?
A hydrostatic valve should be inspected as part of pool servicing, particularly before draining a pool or when groundwater conditions may be a concern. Contact us for product or replacement part advice.
Can I install or replace a pool main drain myself?
Main drain installation and replacement should be completed by a suitably qualified pool professional to ensure correct plumbing, sealing and compliance. Contact us for help identifying the right components for your pool.

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