Including filter system and high-performance Enteric Viruses filter.
Enteric viruses are tiny infectious agents that can get into water when human or animal waste reaches a source. Because they’re invisible, water in Fidelis homes can look clear yet still carry a potential risk. While these viruses are commonly considered in situations like private wells, flooding, or breaks in distribution lines, any household in Fidelis can benefit from knowing the risks. If you suspect an issue, having your water tested is the only way to confirm whether enteric viruses are present.
Viral contamination doesn’t announce itself with bad taste or cloudy appearance, so you can’t rely on senses to detect it in Fidelis water. Levels may fluctuate with upstream conditions, which makes a one-off observation unreliable. That uncertainty leads many homeowners here to choose a whole-house strategy that treats water as it enters the home, delivering consistent protection to kitchens, bathrooms, laundry rooms and showers instead of only one faucet.
For enteric viruses, the single most effective whole-house option is ultraviolet (UV) disinfection installed on the main water line. UV systems in Fidelis work by inactivating microorganisms as water flows past a high-intensity lamp inside a sealed chamber, treating every gallon that enters the house without altering taste. A correctly sized UV unit is based on your home’s flow rate so it continues to disinfect effectively even during peak demand.
UV effectiveness relies on proper installation and on clear water entering the chamber, so prefiltration matters—sediment or staining minerals can block UV light and reduce performance. That’s why UV is commonly paired with a sediment prefilter to keep the lamp’s sleeve clean and maintain steady flow for Fidelis households. Regular upkeep—lamp replacement and quartz sleeve cleaning—is part of keeping the system working; with the right pretreatment and maintenance, UV offers a chemical-free whole-house approach to addressing viral concerns.