WSP Twin-Tank Water Softener - Hard

WSP Twin-Tank Water Softener is designed for homes or buildings where you can’t go without soft water—even while the system is regenerating. It uses a twin-tank setup with a metered control valve and durable resin to reduce hardness, keeping your laundry brighter and fresher longer.

What laundry problems hard water causes in your home

Have you noticed your clothes losing their color or feeling rough and stiff after washing? Hard water can leave minerals trapped in fabric fibers, making towels scratchy and colors fade faster. You might also be washing your clothes more often or using extra detergent to get the same results. Over time, this adds wear and shortens the life of your fabrics, turning your favorite linens into stiff, dingy ones before their time.

How the twin-tank control valve manages water use and regeneration

The system’s control valve keeps track of how much water you’re using, not just on a timer but by actual flow. This metered approach means it regenerates—the process of flushing out minerals from the resin—only when necessary. Because it has two tanks, one can keep supplying soft water to your home while the other regenerates, so you don’t lose soft water even during cleaning cycles. This saves salt and water, and keeps your laundry and plumbing consistently protected.

The resin media inside tackles hard water for lasting effects

Inside the tanks, a high-capacity 10% cross-linked cation softening resin handles the hard water minerals. This resin swaps out the hardness minerals in your water with softer ions, reducing scale buildup and spots. The cross-linking helps the resin last longer, especially if your water contains chlorine, keeping the system effective for a longer time before needing resin replacement.

The twin high-capacity tanks and what they mean for your home

This system uses two large tanks filled with resin, allowing a steady flow of softened water without interruption. While one tank is busy regenerating, the other keeps working, so you won’t have to deal with hard water at any time. The exact tank sizes are tailored when we size the system for your water needs, ensuring enough capacity for your household’s daily use and peak demands.

Who should choose this twin-tank softener for their home

The WSP Twin-Tank Softener fits typical single-family homes where soft water is a must 24/7. If you can’t afford to lose soft water during regeneration—say you have multiple bathrooms running or appliances that need constant soft water—this is the right choice. Homes with more moderate or intermittent needs might look at smaller, single-tank options instead.

What you receive and the next steps to get started

When you order, you get the complete system with a lifetime warranty on the tanks, a bypass valve included so you can isolate the softener during service without losing water to the house, and 10 feet of discharge hose for the drain connection. The control valve and electronics come with the manufacturer’s warranty. We ship from Tampa with free U.S. delivery and provide expert sizing help to make sure this system fits your home. To get started, simply order online and we will reach out to confirm details and sizing.

Who this size is right for

This is a whole-house system, plumbed into the main line so every tap in the house is treated. On a typical 1-inch service line that means a single-family home.

We do not publish a fixed capacity for this item, and we would rather size it on your numbers than guess: send us your peak flow rate in gallons per minute and a water test, and we will confirm the right size before you order.