Whole House 4.5" Replacement O Ring

Regular price $9.95

Pickup available at 30 Fabio Court

Usually ready in 1 hour


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Flat $10 shipping fee for orders under $250.
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Overseas orders. discounted shipping is calculated during checkout.

NEED HELP CHOOSING

Not sure which product, water-filtration system or replacement cartridge is right for you? Contact our Australian team before ordering. We can help you compare options, check compatibility and understand installation requirements.

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Whole House 4.5" Replacement O Ring

The Whole House 4.5" Replacement O Ring is a spare sealing part designed for compatible large-format whole-house water filter housings. It is suitable for customers maintaining selected 4.5" filter housings where a replacement O ring is required.

Designed for Whole-House Filter Maintenance

This replacement O ring may be used during cartridge changes or routine maintenance on compatible whole-house water filter systems. Replacing worn or damaged seals can help support proper housing closure where the O ring size and housing type match.

Key Features

  • Replacement O ring for compatible 4.5" filter housings
  • Designed for selected whole-house water filter systems
  • Useful during cartridge changes and maintenance
  • Suitable for replacing worn or damaged housing seals where compatible
  • Available from Alkaline World with replacement filters and spare parts

Before Ordering

Please check your filter housing size, O ring dimensions and system compatibility before ordering. This product is an O ring only and does not include filter cartridges, housings or a full water filtration system.

Maintenance Note

Always depressurise the system and follow the product instructions before opening a filter housing. Professional assistance may be required if the housing is difficult to open, the seal does not fit correctly or plumbing work is needed.