WSP Whole House Iron & Sulfur Filter - City Water, Hard

When your water heater or washing machine starts showing signs of early wear, it’s often because of iron and sulfur in your water supply. The WSP Whole House Iron & Sulfur Filter - City Water, Hard addresses these problems by reducing orange-brown staining and the rotten-egg smell from hydrogen sulfide, helping protect your appliances and surfaces.

Orange-brown stains and that rotten-egg smell: what you really face

Maybe you’ve noticed an orange-brown ring in your toilet tank or a rusty film building up on your shower door. Perhaps your laundry looks dingy even after washing, or your coffee tastes like it’s been brewed in a swimming pool. Worse, your water heater or dishwasher could be failing sooner than expected. These signs all point to iron and sulfur trouble in your water—iron leaves stains and sulfur causes a strong rotten-egg smell. Scrubbing isn’t solving it, and the smell won’t go away by airing out the room.

How the control head keeps the system working efficiently

The heart of this filter is a metered control head that tracks your actual water use to decide when the system needs to regenerate. It automatically runs a backwash cycle that lifts and rinses the media inside, clearing away collected iron and sulfur so the system stays effective without wasting water or salt. This means the filter runs only as often as needed, which saves you effort and operating costs. Plus, it includes a bypass valve so you can isolate the filter during maintenance without losing water supply to your home.

Media inside the tank: why it removes iron and sulfur

Inside the tank, a blend of catalytic manganese-dioxide media and two types of cation exchange resin work together to reduce your water problems. The manganese dioxide media specifically targets iron, manganese, and the sulfur compound that causes bad odors. Alongside, the cation resins focus on softening your water by removing calcium and magnesium hardness, which helps prevent scale buildup in pipes and appliances. This combination is tailored for city water with hard characteristics and iron content.

The tank size and media volume: what this means for your home

The system comes in several tank sizes — roughly 9 to 12 inches in diameter and about 48 to 54 inches tall — holding between 1 and 2 cubic feet of media. Depending on the size, it can soften between 32,000 and 64,000 grains of hardness before needing regeneration. That translates into dependable filtering and softening capacity designed to meet the needs of an average family home or a larger household, keeping your water cleaner and your appliances protected for longer.

Which homes this filter suits best

This filter is ideal for homes with 2 to 4 people and up to 2 bathrooms when choosing the smaller size. The largest tank version suits bigger families of 5 to 7 people with 3 to 4 bathrooms. It’s designed for city water supplies that contain both iron and hardness. If your home exceeds these numbers or has higher flow requirements, a larger or additional system might be necessary to maintain water quality and flow. We recommend comparing your household’s flow rate and water test results to ensure this filter matches your needs.

What you receive and how to proceed

Your purchase includes the pressure vessel tank protected by a lifetime warranty, the genuine metered control valve with automatic backwash, a bypass valve to keep water flowing during service, and 10 feet of discharge hose for the drain line. We ship directly from Tampa with free U.S. delivery included. Order online with confidence, backed by our experience and a 90-day satisfaction guarantee. Once you receive your filter, your local licensed plumber can install it following your home’s layout and water conditions.

Who this size is right for

This is rated for roughly 8 gallons per minute of service flow, which suits an average family home - around 3-4 people with 2-3 bathrooms.

Work out what runs together on a bad morning and size for that figure. Equipment starved of flow does not just run slowly, it stops treating properly.