Sentry Water Filters
20"x2.5" House Home Tank Water Filter Housing Without Filters
20"x2.5" House Home Tank Water Filter Housing Without Filters
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20"X2.5" HOUSE HOME TANK WATER FILTER HOUSING WITHOUT FILTERS
Tank Water Filter Housing Without Filters - 20"x2.5" House Home Tank Water Filter Housing
Watermark Certificate No. 023247 (if applicable)
Please use the drop-down selection menus to choose whether you require a housing with Watermark certification.
Watermark certification is mandatory when connecting directly to mains water under constant pressure. If the system is used intermittently after a tap or connected to a rainwater tank, certification is not required.
Product Features:
- ¾" BSP ports (25mm diameter)
 - Integrated pressure release valves
 - Compatible with all standard 20" x 2.5" water filter cartridges
(Filter cartridge not included—sold separately in our online store) 
All components in contact with water are made from BPA-free, food-grade plastics. We source only high-quality filters and parts that meet recognised industry standards.
This housing includes a full 24-month warranty on all parts supplied in the original order, subject to our standard terms and conditions outlined in the operating manual.
If for any reason you're not entirely satisfied with your purchase, please contact us so we can address your concerns.
Important Compliance Note:
Under current regulatory standards, any water filter system operating under constant pressure—regardless of brand or supplier—must be fitted with an AS3497-approved pressure-reducing valve and back-flow prevention device. These components are available separately in our store if required.
Why Choose this 20 inch by 2.5 inch House Home Tank Water Filter Housing?
This 20 inch by 2.5 inch Tank Water Filter Housing is a versatile and compact unit designed to accommodate a single filter cartridge for treating water, often used for home or tank water applications. The system allows you to select a housing with or without Watermark Certification (Certificate No. 023247), making it suitable for various plumbing needs.
Compact Design and Powerful Performance
This housing is designed for a single stage of filtration and features 3/4in BSP ports (equivalent to 25mm diameter) and includes an integrated pressure release valve for simpler cartridge changes. It is compatible with all standard 20in×2.5in water filter cartridges, giving you the flexibility to choose the specific filter media (e.g., sediment, carbon) that best suits your water quality requirements, though the filter cartridge itself is sold separately. All components that come into contact with the water are manufactured from high-quality, BPA-free, food-grade plastics. The housing is backed by a full 24-month warranty.
Seamless Integration and Safety Note
The choice of Watermark certification depends on the application: certification is mandatory when connecting directly to mains water under constant pressure, but it is not required if the system is used intermittently after a tap or connected to a rainwater tank. Regardless of certification, a critical note on compliance is given: any water filter system operating under constant pressure must be fitted with an AS3497-approved pressure-reducing valve and back-flow prevention device, which are available separately for purchase
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