The FESN Series water conditioners from Sterling are specifically designed to effectively reduce nitrate, sulfate & fluoride found in water sources. The FESN Series models are affordable and efficient to operate in reducing these unwanted contaminants from your household water.

The FESN Series water conditioners from Sterling are specifically designed to effectively reduce nitrate, sulfate & fluoride found in water sources. The FESN Series models are affordable and efficient to operate in reducing these unwanted contaminants from your household water.
• Corrosion-Resistant Construction. The entire system utilizes
stainless steel, fiberglass, and polyethylene so rust and corrosion are eliminated.
• Limited Maintenance. The only maintenance required is the addition of salt to the brine tank.
• Regeneration with ordinary salt. No costly or dangerous chemical required.
• Reduces Nitrate, sulfate & fluoride. Contaminants are reduced by utilizing the ion exchange process.
• Rugged Control Valve. Provides years of dependable service. Can be programmed to handle severe nitrates, yet provide maximum salt efficiency. Years of proven durability.
• Easy to Repair. Control valve provides years of quality performance and is easy to repair. This cuts down the time of service calls.
• Salt Support Platform. Allows the use of any type of water softener salt. Minimizes “salt mushing” and necessity of frequent cleaning.