Pentek Hard Water — Large Home (Twin Tank) System
Head valve + tank + media, matched to solve hard water — large home (twin tank) — sized and shipped free.
The relentless buildup of mineral deposits from hard water can silently erode every corner of your large home. Stiff laundry, spotty dishes, scaly fixtures, and sluggish appliances don’t just annoy—they chip away at your home’s value and your family’s comfort. In houses with multiple bathrooms and heavy water use, these symptoms multiply, causing clogs, shortened appliance lifespans, and skyrocketing energy bills that no homeowner wants on their monthly statement.
The system that fixes it
Introducing the Pentek Hard Water — Large Home (Twin Tank) System, engineered specifically to conquer the unique demands of hard water in large households. At its heart rests the Pentek-series metered control valve, a precision mechanism that regulates water flow and timing with unmatched accuracy. This genuine, serviceable brand valve ensures your system runs efficiently, adapts to your household’s exact usage, and can be maintained or repaired without hassle—keeping your investment protected long-term.
Built around twin high-capacity resin tanks, this system seamlessly alternates between two vessels filled with advanced 10% cross-linked cation softening resin. This twin-tank design guarantees that soft water flows continuously, eliminating the frustrating downtime and hard-water “gaps” common with single-tank units. The resin media itself is a powerhouse, engineered to attract and swap out mineral ions like calcium and magnesium that cause hardness, leaving your water pure and gentle.
- Meticulous water flow control: The Pentek-series metered control valve measures and manages water use precisely, regenerating only when necessary to conserve resources.
- Twin-tank continuous softening: Two resin tanks work in tandem to deliver uninterrupted soft water—no waiting or hard water breaks.
- Durable resin media: 10% cross-linked cation softening resin stands up to large-volume, high-hardness water with longevity and efficiency.
- Robust tank construction: High-capacity tanks sized to meet your household’s needs, built for performance and durability.
- Serviceable components: Genuine Pentek parts allow easy servicing and reliable replacement, extending system life.
Pick your size
| Home Size | Tank | Media Amount | Capacity | Price |
|---|---|---|---|---|
| 1–3 Bathrooms | 9" × 48" | 1.0 cu ft | 32,000-grain | $1179.00 |
| 3–4 Bathrooms | 10" × 54" | 1.5 cu ft | 48,000-grain | $1399.00 |
| 5–6 Bathrooms | 12" × 52" | 2.0 cu ft | 64,000-grain | $1679.00 |
Select the size that matches your home's bathroom count and water usage to optimize performance and maximize efficiency, ensuring your household never runs out of soft water.
What it does for your home
- Eliminates hard water scale buildup on faucets, showerheads, and pipes, preserving their lifespan and appearance.
- Protects water heaters and appliances from mineral deposits, reducing energy consumption and repair costs.
- Prevents laundry stiffness and fabric fading by softening the water washing your clothes.
- Stops spots and film on dishes and glassware for a sparkling finish every wash.
- Improves skin and hair health by removing harsh minerals that dry and irritate.
- Delivers soft water around the clock with zero interruption, thanks to the twin-tank setup.
With Pentek’s system, your entire home benefits from consistent, clean, and soft water that safeguards your investment and enhances daily comfort.
How the media works
The secret behind this system's power lies in its 10% cross-linked cation softening resin. This resin is a specially engineered plastic bead designed to grab onto hardness minerals like calcium and magnesium ions that cause scale and deposits. The “10% cross-linked” factor means the resin beads are more tightly bonded internally, making them tougher, longer-lasting, and better equipped to hold large volumes of hardness without breaking down. As hard water passes through the resin tank, these harmful minerals swap places with sodium ions held by the resin, resulting in softened water that protects your home and family.
Why buy this system from us
- We provide authentic Pentek-series metered control valves, ensuring genuine, serviceable, and durable hardware.
- Free professional sizing consultation for homes across the U.S.—making sure you get the right system for your water demands.
- Free shipping anywhere in the United States—delivered straight to your door hassle-free.
- One-brand matched system build, guaranteeing compatibility and optimal performance.
- Expert support from installation through maintenance, so your system keeps running flawlessly year after year.
Common questions
Q? How does the twin-tank design prevent hard water from reaching my taps?
A The system cycles between two tanks, regenerating one while the other softens water. This means you always have soft water available—no downtime or “hard water gap” common with single-tank units.
Q? Why is the Pentek-series metered control valve important?
A This valve measures actual water usage and controls regeneration timing precisely. It prevents unnecessary resin regeneration, saving salt and water, and is repairable thanks to its genuine Pentek parts.
Q? Which size should I choose for my large home?
A Select the system size based on your number of bathrooms and water use. More bathrooms and family members require larger tanks and media capacity to ensure uninterrupted soft water throughout your home.
Shop the Pentek Hard Water — Large Home (Twin Tank) System →
Prefer another valve brand? The same fix comes in Fleck, Autotrol, C-Series, Pentek and Pentair.