Water Softener Tank, LX City Soft Water, HAC Carbon Filter

Lancaster Water® CitySoft® Plus Diamond Line LX Water Softener with Catalytic Carbon Filtration – Technical Product Information

The Lancaster Water® 7-LXDCATS-150B CitySoft® Plus System combines advanced water softening and catalytic carbon filtration technology within a single integrated unit. Designed for municipal and light commercial applications, the system removes hardness minerals, chlorine, chloramines, and organic compounds to provide treated water suitable for equipment protection and process applications. The Diamond Line LX electronic control valve manages all operational functions, providing precise regeneration control, performance diagnostics, and optimized efficiency through intelligent flow monitoring.

Technical Specifications

• Product Code: 7-LXDCATS-150B
• Manufacturer: Lancaster Water Group
• System Type: Electronic Metered Water Softener with Catalytic Carbon Filtration
• Series: CitySoft® Plus / Diamond Line LX
• Softener Media Volume: 1.5 cu ft (high-capacity cation exchange resin)
• Filtration Media: Catalytic Activated Carbon (CAT-HAC)
• Control Valve: Diamond Line LX Electronic Metered Control Valve
• Valve Body Material: Glass-filled Noryl composite, corrosion-resistant
• Control Type: Meter-based regeneration with adaptive programming
• Display Interface: LCD with system status, diagnostics, and flow rate data
• Electrical Requirements: 120 VAC input / 12 VDC transformer output
• Operating Pressure Range: 20–120 psi (138–827 kPa)
• Operating Temperature Range: 34°F to 100°F (1°C to 38°C)
• Nominal Service Flow Rate: 15 gpm
• Peak Flow Rate: 20 gpm
• Regeneration Control Features:
  • Monitors water usage history and flow rates
  • Tracks days since last regeneration and peak demand
  • Automatically adjusts reserve capacity based on 21-day usage patterns
  • Stores diagnostic and performance data for service reference
• System Configuration:
  • Single-tank system with integrated catalytic carbon and resin media layers
  • Brine tank with safety float and grid assembly
  • Non-corrosive fiberglass-reinforced mineral tank construction
• Connection Size: 1-inch NPT
• Backwash Rate: 2.0 gpm nominal
• Regeneration Type: Counter-current, demand-initiated
• Brine Draw and Rinse Cycle: Automatic, electronically timed
• Certifications: NSF/ANSI Standard 44 (Cation Exchange Water Softeners), NSF/ANSI 61 (Drinking Water System Components)
• Applications: Municipal (city) water treatment, light commercial water conditioning, residential system installations

System Features and Performance

• Integrated catalytic carbon and ion exchange softening media for dual treatment functionality
• Advanced LX valve provides real-time monitoring and programmable regeneration logic
• Meter-initiated regeneration ensures optimal salt and water efficiency
• Self-diagnostic system records operational data for service verification
• High-performance CAT-HAC media removes chlorine, chloramine, and volatile organics
• Compact configuration for reduced installation footprint

Professional Summary

The Lancaster Water® 7-LXDCATS-150B CitySoft® Plus Water Softener with Catalytic Carbon Filtration provides a high-performance, dual-stage treatment solution engineered for professional installation and service applications. Combining Lancaster’s proprietary Diamond Line LX control valve with advanced media technology, the system delivers consistent softening and dechlorination efficiency with minimal maintenance requirements. The integrated digital controller supports adaptive regeneration, historical performance tracking, and precise flow measurement to ensure operational reliability across a range of water quality conditions.