Fleck 2910/1650 | Less Timer NBP V291XC-601

Fleck 2910/1650 | Less Timer NBP V291XC-601 Industrial Control Valve

The Fleck 2910/1650 Less Timer NBP V291XC-601 is a heavy-duty industrial water softener control valve designed for OEM systems, duplex softeners and externally controlled commercial water treatment installations. Supplied without an integrated timer, this model is intended for use with an external controller, providing maximum flexibility for custom control systems and multi-tank water treatment systems.

Built around the proven Fleck 2910 lead-free brass valve body, the V291XC-601 features Pentair's advanced twin-piston technology, independently controlling service and regeneration flows for exceptional reliability and long service life. The No ByPass (NBP) configuration prevents untreated water from entering the service line during regeneration, making it ideal for critical industrial and commercial water treatment applications. :contentReference[oaicite:0]{index=0}

Key Features

• Genuine Pentair Fleck 2910 industrial control valve
• Less Timer configuration for external controllers
• No ByPass (NBP) operation
• Heavy-duty lead-free brass valve body
• Advanced twin-piston technology
• Corrosion-resistant, UV-stable power head
• Suitable for single, duplex and multi-tank systems
• Ideal for OEM and industrial installations
• Compatible with external electronic controllers
• Designed for demanding commercial water treatment applications

Designed for External Control Systems

The V291XC-601 is supplied without a timer, allowing complete integration into bespoke control systems where regeneration is managed externally.

Typical applications include:

• Duplex water softeners
• Triplex water softener systems
• Duty/standby installations
• PLC-controlled water treatment systems
• ES2070 controller installations
• OEM water treatment equipment
• Industrial process water systems

High Flow Performance

The Fleck 2910 valve platform is engineered to provide excellent hydraulic performance with minimal pressure loss for demanding industrial installations.

• Continuous service flow: 24 m³/hr
• Peak flow: 31 m³/hr
• Maximum backwash flow: 8 m³/hr
• Working pressure: 1.8–8.5 bar
• Hydrostatic pressure: 20 bar
• Operating temperature: 1–43°C
• Protection rating: IP22
• Inlet / Outlet: 2" BSP

No ByPass (NBP) Operation

The No ByPass (NBP) piston configuration ensures untreated water cannot enter the service line during regeneration.

• Maintains consistent softened water quality
• Prevents untreated water bypass
• Ideal for critical commercial processes
• Suitable for boiler feed and process water applications

Proven Twin-Piston Technology

The Fleck 2910 utilises Pentair's advanced dual-piston design, independently controlling service and regeneration water paths for reliable long-term operation.

• Smooth valve operation
• Reliable regeneration performance
• Reduced wear on internal components
• Long service life
• Designed for continuous industrial duty

Typical Applications

• Commercial water softeners
• Industrial water treatment systems
• Food & beverage manufacturing
• Hotels and leisure facilities
• Healthcare and laboratories
• Boiler feed water treatment
• Reverse osmosis pre-treatment
• Manufacturing plants
• OEM water treatment equipment

Technical Specifications

Why Choose the Fleck 2910/1650 Less Timer NBP V291XC-601?

The Fleck 2910/1650 Less Timer NBP V291XC-601 is the ideal solution for water treatment professionals and OEM manufacturers requiring a robust industrial valve that integrates seamlessly with external control systems. Its lead-free brass construction, high flow capacity, proven twin-piston technology and No ByPass operation deliver dependable long-term performance in demanding commercial and industrial water softening applications, particularly within duplex and multi-tank systems. :contentReference[oaicite:1]{index=1}