20″ Big Blue Housing with 3/4″ Caps

Description

The 20″ Big Blue Housing with 3/4″ Caps is a high-capacity water filter housing designed for whole-house and point-of-entry (POE) water filtration systems. Built to accommodate standard 20″ × 4.5″ diameter filter cartridges, this robust polypropylene housing delivers high flow rates with minimal pressure drop and integrates easily into residential or light commercial plumbing with 3/4″ female NPT connections. It’s ideal for sediment removal, carbon filtration, and other pre-treatment applications ahead of softeners, reverse osmosis, or UV sterilization systems.

Key Features & Benefits

• High-capacity design: Accepts standard 20″ × 4.5″ filter cartridges for extended service life and less frequent changes.
• 3/4″ female NPT inlet/outlet: Designed for easy integration with 3/4″ plumbing without reducers or adapters.
• Durable construction: Reinforced polypropylene cap and sump provide corrosion resistance and long service life in potable water applications.
• Pressure relief button (on select models):* Helps release internal pressure before cartridge changes for easier maintenance.
• Wide compatibility: Works with sediment, carbon block, and specialty media cartridges for diverse water-quality challenges.
• Optional kits: Available as standalone housings or complete kits with mounting hardware and filter wrench.

(*Not all models include pressure relief — check product details.)

Compatibility

• Cartridge compatibility: Designed to work with any 20″ × 4.5″ diameter filter cartridges — including sediment, carbon, lead reduction, and specialty media.
• Plumbing systems: 3/4″ female NPT ports make it suitable for residential and light commercial water systems using 3/4″ supply lines.
• Pre-treatment & POE setups: Ideal for whole-house sediment removal before water softeners, RO systems, UV disinfection, or point-of-use filters.

Maintenance

• Replace cartridges regularly: Check and replace filter cartridges based on water quality and flow reduction (typical service intervals range from 3–12 months depending on application).
• Inspect O-rings: Periodically inspect and lubricate housing O-rings with food-grade silicone to ensure a leak-free seal.
• Use pressure relief (if equipped): Depress the pressure-relief button before opening the housing to make service safer and easier.
• Check for leaks: After cartridge changes, hand-tighten housing and check for leaks before returning to service.

Why Choose a 20″ Big Blue Housing with 3/4″ Caps

• Enhanced flow capacity with standard 20″ cartridge format for larger homes and higher demand applications.
• Simple plumbing integration with 3/4″ connections common in residential water systems.
• Versatile filtration: Accepts a wide range of filter types so you can tailor media to your needs (e.g., sediment first, then carbon).
• Durable and maintainable: Long-lasting materials and optional pressure relief make servicing easier and safer.