Nelsen Filter Unit

The Nelsen Filter Unit is a complete backwashing whole-house filter built on a mineral tank and automatic control valve for problem-water treatment.

• Backwashing control valve periodically reverses flow to lift, rinse, and re-bed the filtration media, restoring capacity without manual service
• Mineral tank houses the filter bed and the internal distributor and riser that carry water through the media
• Single-tank whole-house design treats water at the point of entry for the entire home
• Automatic regeneration keeps the bed clean on a scheduled cycle
• Ships as a complete system with tank, valve, and internals
• Point-of-entry placement treats water for the whole home before it reaches any fixture
• Automatic backwash cycle runs without chemicals or manual intervention

This unit serves homes needing a dedicated filtration stage, such as sediment, taste-and-odor, or oxidized-particle removal depending on the media selected. Choose your tank size below and the unit is sized free to your water so the media volume and backwash flow match your household demand. As a filter rather than a softener, it targets the contaminants suited to its media and does not remove hardness on its own, so pair it with a softener where scale control is also a concern.

A flexible filtration backbone

A Nelsen filter unit combines a control valve and mineral tank into a complete, automatic backwashing filter. The same platform addresses very different water problems depending on the media loaded into it, from taste-and-odor carbon to iron, manganese, sediment, or acid neutralization, which makes it a versatile foundation for whole-house treatment.

Automatic operation

The control valve periodically backwashes the bed to rinse away what it has captured and, where applicable, to reclassify the media so it keeps working evenly. That self-maintenance is what lets a single media charge run for years without the cartridge swaps a disposable filter demands.

Specify it to your water

The right media, bed volume, and backwash settings all follow from your water test and flow rate. Send us your numbers and the contaminant you are targeting and we will configure the unit, size it correctly, and include the manuals so it installs and backwashes the way it should.