Point of Entry RO

Ensure every tap in your home or business delivers clean, purified water with our point-of-entry reverse osmosis (RO) systems. Unlike point-of-use filters that treat water at a single location, point-of-entry RO systems connect at the main water line, providing whole-house or whole-building water purification.

Benefits of Point-of-Entry RO Systems:

Comprehensive Purification – Removes up to 99% of dissolved solids, salts, heavy metals, chemicals, and contaminants before water enters your plumbing system.
Protects Appliances & Fixtures – Reduces scale and corrosion, extending the life of water heaters, dishwashers, and other water-using appliances.
Ideal for Well Water & High-TDS Water – Perfect for homes and businesses with hard water, brackish water, or water high in dissolved minerals.
Safe, Great-Tasting Water Everywhere – Enjoy high-quality water for drinking, bathing, cooking, and cleaning from every faucet.

Our whole-house reverse osmosis systems deliver advanced filtration for residential, commercial, and light industrial applications. They are customizable and scalable to meet your specific water quality needs.

Point of Use RO

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Point of Entry RO

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RO Components

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RO Tanks

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RO Units

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Why Choose R.E. Prescott for Your Water Filtration & Wastewater Equipment?

Since 1954, RE Prescott has been a trusted partner for residential, commercial, and municipal water treatment needs. From pumps and filtration systems to valves, tanks, and specialty parts, we offer a full range of high-quality products backed by expert support. Whether you're looking for water treatment solutions, plumbing supplies, or custom system components, our team is here to help you find the right products with reliable service and competitive pricing.

Explore our full catalog and discover why R.E. Prescott is New England's preferred choice for innovative water and wastewater solutions.