Description
The Clack Internal Check Valve for Brine Elbow is a genuine replacement component designed for Clack WS1, WS1.25, and WS1.5 control valves. Installed inside the brine elbow assembly, this check valve helps maintain proper brine flow direction during regeneration and prevents water from flowing backward into the brine line.
This small but critical component helps ensure accurate brine draw, proper refill operation, and efficient water softener performance.
Key Features
- Genuine Clack Replacement Part: Designed specifically for Clack control valves.
- Prevents Backflow: Helps stop water from flowing backward through the brine line.
- Maintains Proper Brine Draw: Ensures consistent brine suction during regeneration cycles.
- Supports Efficient Regeneration: Helps maintain correct brine refill and draw operation.
- Durable Construction: Made from chemical-resistant materials for long service life.
- Easy Replacement: Installs directly inside the brine elbow assembly.
Compatibility
The Clack Internal Check Valve is compatible with:
- Clack WS1
- Clack WS1.25
- Clack WS1.5
Used in:
- Water softeners
- Iron filters with brine systems
- Other Clack valve systems utilizing a brine elbow with an internal check valve
📌 Always verify your valve model and brine elbow configuration before ordering.
Specifications
Product Type – Internal Check Valve
Brand – Clack
Installation Location – Inside Brine Elbow
Compatible Valves – WS1, WS1.25, WS1.5
Material – Chemical-Resistant Plastic & Elastomer
Application – Water Softener Brine System
Applications
The Clack Internal Check Valve is ideal for:
- Replacing a worn or damaged check valve
- Restoring proper brine draw
- Preventing brine line backflow
- Water softener maintenance
- Clack valve repairs
Common symptoms of a faulty check valve may include:
- Poor or no brine draw
- Water backing up into the brine line
- Improper brine tank refill
- Reduced softener efficiency
Maintenance
For reliable performance:
- Inspect the check valve during annual water softener maintenance.
- Clean any debris or mineral buildup from the valve and brine elbow.
- Replace the check valve if it becomes worn, damaged, or fails to seal properly.
- Ensure the valve is installed in the correct orientation during reassembly.
💡 A properly functioning internal check valve helps maintain efficient regeneration and prevents unwanted water movement through the brine system.
Why Choose Genuine Clack Parts?
Genuine Clack replacement parts are engineered to meet original equipment specifications, ensuring proper fit, reliable operation, and long-term durability. Using OEM components helps maintain the performance and efficiency of your Clack water softener system.

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