20-Inch Big Whole House Water Filter Housing Blue (Single Unit)

✔ High-Capacity | Standard 4.5″ Cartridge Compatible | 90 PSI Rated

🚀 Key Features

✅ Jumbo 20″ Housing – Fits all standard 4.5″ diameter cartridges (PP, carbon block, etc.),1″ NPT Ports – Supports high flow rates (5-15 GPM depending on water pressure),Pressure Release Button – Safely depressurizes system for cartridge changes,Complete Installation Kit – Includes metal bracket, plastic wrench, and mounting screws

📊 Water Filter Housing Blue Technical Specifications

*Flow varies with feed pressure and cartridge type

🛠️ What’s Included

• 1 x 20″ Blue Filter Housing
• 1 x Plastic Wrench
• 1 x Metal Mounting Bracket
• 1 x O-Ring (Pre-installed)
• 4 x Stainless Steel Mounting Screws

Compatible Filter Cartridges

1. PP Spun Sediment Filter ($12.99)

• Removes: Sand, dirt, rust particles
• Lifespan: 6 months (50,000 gal typical)

2. Carbon Block Filter ($19.99)

• Removes: Chlorine, VOCs, bad tastes/odors
• Lifespan: 6 months (30,000 gal typical)

⚠ Note: Actual cartridge life depends on water quality and usage. Test water pressure monthly!

⚡ Pro Installation Tips

1. Lubricate O-Ring – Apply food-grade silicone grease (included)
2. Pressure Check – Install pressure regulator if >80 PSI (ideal: 60 PSI)
3. Winter Care – Drain housing if temps drop below 40°F
4. Tool Use – Tighten with provided wrench (1/4 turn past hand-tight)
5. Leak Test – Run water for 5 mins before final mounting

💡 Watch Our Installation Video → Search “Big Blue 20″ Filter Install” on YouTube

❓ Frequently Asked Questions

Q: Will this fit my existing 4.5″ cartridges?
A: Yes! Standard industry size compatibility.

Q: How often should I change cartridges?
A: Every 6 months or when flow rate drops 30%.

Q: Can I use this for well water?
A: Absolutely – pair with 5μm PP filter for best results.

⚠ Critical Warnings

DO NOT exceed 90 PSI – install pressure reducer if needed,ALWAYS depressurize system before opening (use release button),NEVER expose to freezing temperatures – cracks may occur.

Big Blue Water Filter Housing: Why the Blue Design Works Best 

The big blue water filter housing is the top choice for whole house pre-filtration. The blue opaque body has a specific purpose. It blocks sunlight from reaching the cartridge inside. This stops algae and bacteria from growing on the filter media. Clear housings do not offer this protection. Therefore, the water filter housing blue design suits outdoor and semi-exposed locations better.

The 20″ size makes a real difference in performance. It holds more filter media than a 10″ unit. More media means longer cartridge life. It also means fewer maintenance interruptions for your household. The 4.5″ diameter accepts all standard Big Blue cartridges. PP sediment, carbon block, and specialty filters all fit this housing. Furthermore, the 90 PSI pressure rating handles most residential water supplies safely. Always add a pressure regulator if your supply exceeds 80 PSI.

Flow rate is another key advantage of this housing. At 60 PSI, expect 10–15 GPM of consistent output. This supports homes with 3 or more bathrooms running at the same time. No pressure loss occurs even during peak morning usage. For the correct replacement cartridge, choose a compatible 20-inch water filter cartridge. It fits this housing perfectly. It also prevents water from bypassing around the filter media. Moreover, a water filter wrench makes cartridge changes faster and easier. It prevents over-tightening that can crack the housing sump.

Big Blue Whole House Water Filter: Expanding to a Complete System

The big blue whole house water filter housing is your system’s first line of defense. It removes sand, rust, and sediment particles effectively. However, sediment removal alone is not always enough. Chlorine, bacteria, and dissolved chemicals need extra treatment stages. Think of this housing as the foundation of a bigger system.

Downstream components last much longer with pre-filtration in place. Membranes resist fouling. UV lamp sleeves stay clear of deposits. Softener resin beds work more efficiently. A complete whole house water filter system adds carbon filtration after this sediment stage. It handles taste, odor, and chemical concerns at every tap in your home.

Well water users face more complex challenges. Iron, manganese, and bacteria are common in private wells. The big blue water filter whole house setup handles sediment very well. However, well water often needs further treatment. A whole house well water filter system is built for exactly these conditions. It combines oxidation, sediment removal, and softening in one unit. Therefore, pairing this whole house water filter big blue housing with a full treatment system gives you the best results. Your appliances are protected. Your water quality improves at every point of use.