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CSF25H - Compact water softener with integrated carbon block filter
A professional all-in-one solution for softened and filtered water.
The CSF25H is the latest model in the CS series, engineered to deliver high performance in an ultra-compact footprint.
Equipped with an integrated carbon block filter, the CSF25H provides softened and filtered water directly through its dedicated faucet-reducing installation time, space requirements, and operational complexity.
Its compact size makes it ideal for under-sink installation, making it a perfect choice for residential kitchens, offices, commercial spaces, and any environment where efficiency and space optimization are essential.
Included components:
- Dedicated dispensing faucet
- Faucet connector
- Power transformer
- Two 1/2" bypass connectors with O-rings
- Bypass allen key
- Installation manual
Water softening technology the CS softener series is designed for maximum ease of use and maintenance.
Each unit features a volumetric control valve with four regeneration modes:
- 1.Mixed metered-time regeneration delayed regeneration with programmable time-based backup.
- 2.Time-Based regeneration activation after the programmed number of days.
- 3.Immediate volumetric regeneration triggered once the set water volume is reached.
- 4.Delayed volumetric regeneration based on both water volume and programmed time.
Installation requirements:
- Electrical connection + inlet, outlet, and drain lines.
- Bypass and blending valve included for adjusting residual hardness.
- Certifications: CE, NSF.
Operating Parameters:
- Minimum pressure: 1.4 bar
- Maximum pressure: 8.6 bar
- Operating temperature: 4-38°C (39-100°F)
Integrated carbon block filter (5 microns) the front-panel carbon block filter ensures 2 ltr/min of high-quality filtered water and can be replaced quickly and easily.
Filtration cerformance removes chlorine, odors, and unpleasant tastes reduces rust, fine sediment, and suspended particulates improves overall water clarity and sensory quality based on industry-recognized carbon block technology.
Filter Specifications:
- Size: 277×67mm
- Micron rating: 5 microns
- Pressure range: 1-4 bar
- Temperature: 4-38°C (39-100°F)
- Flow rate: 2 ltr/min
- Recommended replacement: every 6 months (minimum once per year)
Water hardness and system capacity water hardness, measured in °F, is essential for selecting the correct softener and optimizing salt usage.
Example (25ltr resin, 40°F hardness) softened water capacity: 3,500 ltr (140:40)
Display setting:
3.5m³ Residual hardness adjustment the MIX valve allows precise control of residual hardness: Recommended for drinking water: 5-10°F for copper pipes 8-10°F for iron pipes
Example: With 40°F incoming hardness and a 5°F
residual hardness: Treated capacity: 4,000 ltr (140:35)
Key benefits of the CSF25H softener operational efficiency significant scale reduction prolonged lifespan of appliances and boilers lower maintenance and reduced energy consumption comfort & water quality softer skin and a more pleasant shower experience scale-free surfaces and cleaner results cost savings reduced use of detergents, softeners, and chemical cleaners lower long-term maintenance costs.
The only required maintenance: refilling the salt.
Sodium levels in softened water Ion exchange naturally increases sodium content, depending on incoming hardness.
The recommended limit for drinking water is 200 ppm.
For low-sodium diets or higher-than-recommended sodium levels, pairing the softener with a residential reverse osmosis system is advised.
Technical Specifications:
- Exchange capacity: 40°F× m³
- Salt per regeneration: 0.85kg
- Water per regeneration: 32ltr
- Softened water volume per regeneration:
- 35°F → 1.14m³
- 40°F → 1.00m³
- 45°F → 0.89m³
- 50°F → 0.80m³
- 60°F → 0.67m³
- Working flow rate: 0.6m³/h
- Max flow rate: 1m³/h
- Water inlet/outlet: 3/4"
- Dimensions (L×D×H): 240×465×578mm
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