Products

Clack valves

Clack valves are high-quality control valves used in water softeners and filtration systems, especially known for their reliability, modular design, and ease of maintenance. They are manufactured by Clack Corporation, a U.S.-based company with decades of experience in water treatment components.

Key Features

• Multi-cycle programming (up to 6 cycles for regeneration)
• Time clock or metered control
• Flow sensors for precise control of water use
• Battery or capacitor memory backup
• Front-facing digital display
• Easy installation and servicing (snap-together parts)
• Optional upflow or downflow regeneration
• Compatible with common resin and media

🔹 WS1 – 1” inlet/outlet

• For residential to light commercial use
• Flow rate: ~27–30 GPM (service), 15 GPM (backwash)
• Versions: WS1 CI – Classic (basic control board) & WS1 EE – Enhanced (advanced control features)

🔹 WS1.25 / WS1.5 – 1.25” & 1.5″ inlet/outlet

• For medium to high flow residential or small commercial
• More robust flow capacities than WS1

🔹 WS2 – 2” inlet/outlet

• Handles up to 115 GPM (large commercial/industrial)
• Durable, heavy-duty build

🔹 WS3 – 3” inlet/outlet

• Massive flow handling: up to 250 GPM
• Used in industrial-scale filtration and softening

Applications

• Residential softeners
• Iron/manganese filters
• Carbon or sand filters
• Commercial softeners (restaurants, car washes, buildings)
• Industrial water treatment