When nitrates and nitrites invade your well water, the consequences can ripple through your entire household. Taste becomes metallic or bitter, your water takes on a faint discoloration, and worst of all, the health of your family is at risk — especially infants and pregnant women. Elevated nitrate and nitrite levels can cause serious health issues like methemoglobinemia, leading to oxygen deprivation and long-term complications. Beyond health, your appliances and plumbing may suffer corrosion and buildup, driving up costly repairs and replacements. Ignoring this problem is not an option; you need a reliable solution that protects your home and loved ones.

The system that fixes it

The Pentek Nitrate & Nitrite (Well) System is engineered precisely to tackle this critical water quality challenge. At its heart is the Pentek-series metered control valve—an advanced, serviceable head valve that accurately meters water flow, controls regeneration cycles, and ensures consistent treatment without waste. Having a genuine brand valve means durable operation, easier maintenance, and swift servicing when needed, unlike generic valves that fail prematurely or lose efficiency over time. This valve sits atop a specialty-designed ion-exchange tank built to hold the nitrate-selective anion resin media securely, which is uniquely capable of trapping nitrates even during fluctuating sulfate levels in well water. This synergy of valve, tank, and media means your home receives water that’s clear, safe, and thoroughly cleansed of harmful nitrates and nitrites.

• Metered control valve that precisely manages water flow and media regeneration
• Durable, serviceable Pentek-brand valve for long-lasting reliability and easy maintenance
• Specialty ion-exchange tank designed for sustained performance and media protection
• Nitrate-selective anion resin that targets and binds nitrates even during sulfate spikes
• Optimized system integration for consistent, high-quality water treatment results

Pick your size

Home Size	Tank	Media Amount	Capacity	Price
1–3 Bathrooms	9" × 48"	1.0 cu ft	32,000-grain	$1229.00
3–4 Bathrooms	10" × 54"	1.5 cu ft	48,000-grain	$1449.00
5–6 Bathrooms	12" × 52"	2.0 cu ft	64,000-grain	$1739.00

Choose the size that matches your household’s bathroom count to ensure optimal nitrate and nitrite removal without wasting media or energy. Proper sizing guarantees clean water flow for your daily needs.

What it does for your home

• Delivers clean, fresh-tasting water free of nitrate and nitrite contaminants
• Protects your family from health risks such as oxygen deprivation and infant blue baby syndrome
• Preserves your plumbing and appliances by preventing corrosive damage from nitrates
• Eliminates unpleasant metallic tastes and discoloration caused by nitrates and nitrites
• Maintains consistent water quality even as sulfate levels fluctuate in your well
• Reduces long-term repair costs and health-related expenses by addressing the problem at its source

This system is your frontline defense, ensuring your home enjoys water that supports health, comfort, and durability.

How the media works

The core of the Pentek system is its nitrate-selective anion resin, a highly specialized media designed to exchange harmful nitrate ions in your water with harmless chloride ions. Unlike ordinary resin, this nitrate-selective media holds on tightly to nitrates even when sulfate concentrations spike, preventing breakthrough contamination. In practice, as water flows through the tank, nitrate ions are captured and removed from your water supply, ensuring only clean, safe water reaches your taps. This ion-exchange process is continuous and efficient, providing a robust barrier against nitrate and nitrite intrusion that other media simply can’t match.

Why buy this system from us

• Genuine Pentek brand hardware, including the serviceable metered control valve, ensuring reliable performance and easy repairs
• Free US sizing consultation to match your home’s nitrate and nitrite treatment needs perfectly
• Free US shipping, so you get your system quickly and without extra cost
• All components matched one-brand build for seamless compatibility and superior longevity
• Dedicated support from experts who understand nitrate and nitrite well-water challenges

Common questions

Q? How often does the system regenerate the media? A The Pentek-series metered control valve monitors your water use and schedules regeneration only when needed, optimizing media life and ensuring continuous nitrate removal.

Q? Will this system work if my well water has high sulfate levels? A Yes, the nitrate-selective anion resin is specifically designed to hold nitrates even during sulfate spikes, maintaining effective nitrate removal without losing capacity.

Q? How do I know which size is right for my home? A We offer free US sizing consultation to evaluate your home’s bathroom count and water usage, helping you select the appropriately sized system for maximum efficiency and cost savings.

Shop the Pentek Nitrate & Nitrite (Well) System →

Prefer another valve brand? The same fix comes in Fleck, Autotrol, C-Series, Pentek and Pentair.