Whole House 4.5" Replacement O Ring
Pickup available at 30 Fabio Court
Usually ready in 1 hour
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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.
Contact Alkaline WorldWhole 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.



