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Purcooflow WHF2045B302 | 3-Stage Heavy Metals Removal Whole House Water Filter System with Triple Drain Valves for City/Well Water
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- Upgraded 3-Stage Heavy Metals, Iron & Chlorine: Combining KDF-55 and activated carbon media, the system helps reduce heavy metals, lead, Iron, Manganese, mercury, copper, chlorine, and odors while inhibiting scale buildup and bacterial growth.
- Innovative Triple Integrated Drain Valves: Features three Pre-installed bottom drain valves for quick sediment flushing without disassembling the system—making maintenance faster, easier, and cleaner.
- Protect Your Plumbing & Water Appliances: Reduces rust, sediment, and heavy metals that can clog pipes and contribute to corrosion. Helps safeguard water-using appliances like your washing machine, dishwasher, and water heater—extending lifespan while lowering long-term maintenance costs.
- Easy DIY Installation, Secure Sealed Design: Designed for quick, hassle-free setup with included accessories and clear instructions. Fits standard home plumbing and features a secure, leak-resistant seal.
- Long-Lasting Performance: Built for durability and fewer replacements: PP Sediment Filter: 3–6 months; KDF & CTO Filters: 6–12 months; Best performance at 25–90 psi and 41–100°F.
- Universal Fit & High Capacity: Compatible with most standard 20" x 4.5" filter cartridges. Delivers up to 150,000 gallons of clean water per year—ideal for whole-home use.
- Free Shipping On all orders
- 30-Day Return No worries
- 1+1 Year Warranty Hassle-free

Say Goodbye to Rust Stains, Bad Taste & Smelly Well Water
Designed for homes using well water or municipal supply, this system helps reduce iron, manganese, lead, and chlorine—solving common issues like orange rust stains, metallic taste, and unpleasant odors.
- Stage 1 (PP): Stops sand, rust, and visible sediment before they reach your pipes and appliances—helping keep your water clear and your system protected.
- Stage 2 (KDF): Reduces iron, manganese, lead, and chlorine—helping eliminate metallic taste, discoloration, and common well water contamination issues.
- Stage 3 (CTO): Improves overall water taste and odor by reducing chlorine and other unwanted substances for fresher, better-tasting water.

Integrated Flush Valves for Effortless Multi-Stage Maintenance
Most traditional filter housings require removing the sump to clean accumulated sediment, making routine maintenance time-consuming and messy. Purcooflow’s 3-stage 20-inch system features a pre-installed drain valve on every housing, allowing targeted flushing at each stage with a simple turn. Quickly clear sediment buildup, reduce maintenance effort, and keep your filtration system performing at its best.

Built Tough for Well Water Pressure — No Leaks, No Worries
Our lead-free reinforced housings are engineered to handle demanding well water conditions, tested up to 500 PSI burst pressure and 150,000 water hammer cycles—delivering long-term, leak-resistant durability you can rely on.

Dual O-Ring Sealing System — Enhanced Protection Against Leaks
Unlike standard filter housings that rely on a single sealing ring, Purcooflow housings feature a dual O-ring design to create an additional layer of sealing protection. This reinforced sealing structure helps maintain a secure connection during daily operation, filter changes, and fluctuating household water conditions—providing greater confidence against leaks and long-term reliability.
Clean Water Everywhere in Your Home — From Shower to Laundry
Softer Shower Water for Skin & Hair Comfort
Reduces chlorine and impurities for a noticeably cleaner and more comfortable shower experience.
No More Orange Stains on Sinks, Tubs & Laundry
Helps reduce iron and sediment buildup that causes staining in pipes, fixtures, and clothes
Protect Your Appliances from Hidden Water Damage
Helps reduce sediment and impurities that can wear down water-using appliances over time.
Simple Installation, Long-Term Peace of Mind
Watch our step-by-step installation guide to learn how to set up your whole-house filtration system quickly and correctly. Enjoy cleaner, better-tasting water with confidence from day one.
Designed for Everyday Reliability
Fits All Standard 20" x 4.5" Filter Housings
Compatible with widely used filter sizes, making replacement and upgrades simple and flexible.
High-Flow 1" Brass NPT Ports
Supports strong water flow for larger households.
One-Touch Pressure Relief
Makes cartridge changes easier and safer.
Tech Specs
WHF2045B302
21.85"L x 7.87"W x 27.16"H
15 GPM
48.5 lbs
41-100℉
6-11
100,000 Gallons
1" NPT Brass Port
25 - 90psi
1+1 Year Extended
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|---|---|---|---|
| Primary Filtration Focus | |||
| Primary Focus | Heavy Metals | PFAS & Chemicals | Chlorine & Odor |
| Filtration Precision | |||
| Precision | 5 Micron | 5 Micron | 5 Micron |
| Max Flow Rate | |||
| Flow Rate | 15 GPM | 15 GPM | 15 GPM |
| Dimension | |||
| Dimension | 21.85"x7.87"x27.16" | 21.85"x7.87"x27.16" | 21.85"x7.87"x27.16" |
| Maintenance Tech | |||
| Drain Valves | ✓ | ✓ | ✓ |
| Filtration Stages | |||
| Stages | 3 | 3 | 3 |
| Filter Life (Gallons) | |||
| Lifespan | 100,000 | 100,000 | 100,000 |
| Best Recommended For | |||
| Ideal For | Well / Old Pipes | Advanced Safety | City Water |
FAQs
Engineered for well water and high-mineral areas to protect your plumbing and appliances.
Contact SupportThe WHF2045B302 uses advanced media to inhibit mineral crystallization and reduce heavy metals. This prevents scale from clogging your water heater, coffee machine, and dishwasher, extending their service life.
Absolutely. Well water often carries higher sediment loads. The reinforced 20-inch housings and triple-drain valves are designed to handle high-particulate water much more effectively than standard city-water units.
Yes, you can do this. Please note that the system’s inlet and outlet markings are fixed. To accommodate your setup, you will need to flip the machine head. Simply unscrew the screws on the machine head, rotate it, and secure it back in place.
The purcooflow WHF2045B302 is designed primarily for indoor installation. We do not recommend installing the system outdoors where it would be directly exposed to rain, sunlight, freezing temperatures, or other harsh weather conditions. If outdoor installation is necessary, the system should be placed in a fully enclosed, weather-protected area** and protected from direct sunlight and freezing temperatures. Please feel free to contact us if you have any other questions about installation.
Because jumbo housings hold significant water weight, they can be hard to open. The relief valve bleeds off internal pressure, making it much easier to unscrew the sump and perform maintenance without struggling.
While designed for DIY with a pre-mounted bracket, we recommend professional installation for well systems to ensure proper alignment with pressure tanks and existing sediment pre-filters.

