Description
Reliable Magnum NHWB Cartridge for Optimal Water Softener Valve Performance
The AT1000366 Magnum NHWB Cartridge is engineered to tackle common water treatment system challenges with precision and durability. Designed as a key Autotrol valve part, it ensures your water softener operates smoothly by maintaining consistent flow and preventing malfunctions. This cartridge delivers efficient filtration and valve control, making it a dependable choice for enhancing your water softening system’s reliability.
Key Benefits
- Ensures consistent valve operation to maintain optimal water softening performance
- Protects your water system by preventing valve leaks and pressure drops
- Durable construction extends the lifespan of your water softener components
- Easy replacement reduces downtime and maintenance effort
- Compatible with a wide range of Autotrol valve models for versatile application
- Lightweight design minimizes strain on the overall water treatment setup
How It Works
The Magnum NHWB Cartridge fits inside the Autotrol valve assembly, acting as a crucial flow control element. It regulates the water passage through the softener, ensuring that the valve cycles properly between regeneration and service modes. By maintaining precise valve timing and seal integrity, this cartridge helps prevent water bypass and ensures efficient ion exchange within your water softening system.
Its robust design withstands varying water pressures and conditions, contributing to a stable and consistent softening process. This makes it an integral part of your water treatment setup’s core performance.
What to Expect
Once installed, you will notice smoother valve operation with fewer interruptions or leaks. The system will maintain steady water flow, improving the overall softening efficiency from day one. Over the first few weeks, expect reliable performance without the typical valve-related issues that can cause downtime.
In the long term, the cartridge’s durable materials reduce the frequency of replacements and maintenance checks, helping you preserve system integrity and avoid costly repairs.
What’s Inside
- Precision Polymeric Housing – Provides a sturdy, corrosion-resistant shell that withstands high water pressure and chemical exposure.
- Sealing Gasket – Ensures leak-proof operation by maintaining a tight seal within the valve assembly.
- Flow Regulating Core – Controls water passage to optimize valve cycling and water softening efficiency.
- Durable Internal Components – Designed for longevity, reducing wear and extending the cartridge’s functional life.
How to Use
- Turn off your water softener system and relieve pressure by opening a nearby faucet.
- Remove the valve cover carefully to access the existing cartridge.
- Extract the old cartridge by gently pulling it out from the valve assembly.
- Inspect the valve housing and clean any debris or mineral deposits.
- Insert the new AT1000366 Magnum NHWB Cartridge firmly into place, ensuring proper alignment.
- Replace the valve cover securely and restore system pressure.
- Restart the water softener and run a regeneration cycle to verify proper function.
Why Choose This Product
- Manufactured with high-quality materials to ensure durability and consistent performance
- Trusted by water treatment professionals as a reliable replacement part for Autotrol valves
- Specifically designed to fit seamlessly in Magnum NHWB valve systems, minimizing installation hassle
- Lightweight yet robust, reducing wear on your water softener system over time
- Backed by Water Softener Plus’s commitment to quality and customer support
FAQ & Safety
Is this cartridge compatible with all Autotrol valves?
The AT1000366 Magnum NHWB Cartridge is compatible with many Autotrol valve models; check your system’s specifications before purchasing.
How often should I replace this cartridge?
Replacement frequency depends on water usage and quality, but generally every 3-5 years or when valve performance declines.
Can I install the cartridge myself?
Yes, with basic tools and following the step-by-step instructions, installation is straightforward and safe.
What operating conditions does this cartridge support?
It is designed to handle typical household water pressures and temperatures encountered in water softener systems.
How do I maintain the cartridge?
Regular inspection during system maintenance and cleaning the valve housing help prolong cartridge life.
Upgrade your system reliability today—add this component to your cart and keep your water flowing clean and consistent.
Overview
- ✅ U.S.-based support and expert assistance
- 🧰 Built with trusted Pentair & Fleck components
- 🚚 Ships nationwide — freight-safe packaging
- ⚙️ Ideal for residential and light-commercial systems
Specs (Typical)
| Max Operating Pressure | 125 psi |
|---|---|
| Max Water Temp | 100 °F |
| Electrical | 120 V AC |
| Flow Range | 5–45 GPM (model dependent) |
Related: Control Valves • Parts • Get sizing help

