Aquafilter Big Blue 20” FH20B1-B-WB – Heavy-Duty Whole House Water Filter Housing + FREE 5 Micron Cartridge
Upgrade your water system with the Aquafilter Big Blue 20” FH20B1-B-WB, a durable, EU-manufactured filter housing designed for whole-house (POE) and high-flow installations. Compatible with all 4.5" x 20" Big Blue cartridges, this unit includes 1" brass BSP ports, a pressure gauge and a pressure relief valve for safe and easy maintenance.
The reinforced blue sump prevents algae growth when installed in bright or sunny locations, while the rounded-base housing provides excellent structural strength and long-term reliability.
FREE 5 Micron Sediment Cartridge (FCPS5M20B)
Included in this listing is a 5µm polypropylene sediment filter, ideal for removing sand, silt, rust and general suspended solids. Perfect as a first-stage whole-house filter and fully compatible with all 20" Big Blue housings.
Key Features
- Heavy-duty 20" Big Blue filter housing for high-flow applications
- Reinforced blue sump reduces algae growth
- 1" brass BSP ports for secure and leak-resistant installation
- Pressure gauge included for monitoring cartridge performance
- Pressure relief / air-bleed valve for fast and easy cartridge changes
- Factory-tested and manufactured using FDA CFR-21 compliant materials
- NSF-approved for structural integrity and material quality
- Compatible with all 4.5" x 20" sediment, carbon, iron, softening or specialist cartridges
Technical Specifications
| Model |
FH20B1-B-WB |
| Housing Material |
PP (polypropylene) |
| Cap Material |
PP |
| Thread Inserts |
Brass (1" BSP) |
| Pressure Gauge |
1 pc included |
| Pressure Relief Valve |
Brass (included) |
| O-ring |
NBR |
| Operating Pressure |
6 bar (90 psi) |
| Temperature Range |
2°C – 45°C (35°F – 113°F) |
| Dimensions (H × W) |
605 mm × 175 mm |
| Cartridge Size |
4.5" × 20" (Big Blue) |
Package Includes
- 1 × Aquafilter Big Blue 20” Housing (FH20B1-B-WB)
- 1 × Pressure gauge with nickel extension
- 1 × Mounting bracket
- 1 × Housing wrench
- 1 × Installation manual
- 1 × FREE 5 Micron Sediment Cartridge (FCPS5M20B)
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