7-LXDAN-2B KIT X-Factor Series Acid Neutralizer (Calcite) Filter with Bypass Complete, 2 Cubic Foot

Lancaster Water® 7-LXDAN-2B Complete Acid Neutralizer with Calcite and Dome Plug – Technical Product Information

The Lancaster Water® 7-LXDAN-2B Acid Neutralizer System is a professional-grade water treatment solution engineered to correct low pH levels and neutralize acidic water conditions in residential and light commercial applications. Utilizing a high-purity calcite media, this system automatically adjusts and stabilizes pH through controlled dissolution, preventing corrosion in plumbing systems and fixtures. Equipped with a precision-engineered electronic control valve, the 7-LXDAN-2B delivers consistent flow and backwash performance, ensuring long-term reliability and efficient operation under varying water conditions.

Technical Specifications

• Manufacturer: Lancaster Water Treatment
• Model Number: 7-LXDAN-2B
• System Type: Backwashing Acid Neutralizer
• Application: pH correction and acid neutralization for potable water systems
• Media Composition: Calcite (Calcium Carbonate – CaCO₃)
• Control Valve: Lancaster-designed state-of-the-art electronic control valve
• Operation Mode: Automatic backwash and service cycle control
• Flow Direction: Downflow during service, upflow during backwash
• System Components:
  • Acid neutralizer tank
  • Calcite media bed
  • Dome plug access for service and media replenishment
  • Electronic control head with LCD display
• Media Function: Neutralizes acidic water by dissolving calcium carbonate to raise pH
• pH Correction Range: Effective for pH values as low as 5.0 up to neutral levels (~7.0)
• Flow Capacity: Sized for standard residential and light commercial flow rates
• Backwash Rate: Controlled electronically for optimal media regeneration
• Material: Corrosion-resistant composite tank and Noryl® valve body
• Connection Size: 1" FNPT (standard) inlet and outlet ports
• Power Supply: 24V AC control circuit (low-voltage operation)
• Tank Design: Structural composite with dome plug for service access
• Installation Type: Floor-mounted system, plumbed in-line with cold water service
• Maintenance: Periodic calcite media replenishment as dictated by water usage and pH
• Operating Temperature: 40°F – 100°F (4°C – 38°C)
• Operating Pressure: 30 – 100 PSI
• Certifications: Built to meet NSF/ANSI standards for potable water applications
• Warranty: Manufacturer’s limited warranty (refer to product documentation)

Design and Performance Features

• Calcite-based media automatically adjusts pH through controlled dissolution
• Protects plumbing systems, water heaters, and fixtures from acid corrosion
• Electronic control valve manages precise backwash and service cycles
• Dome plug access simplifies inspection, cleaning, and media replenishment
• Non-corrosive materials and advanced design ensure long-term system integrity
• Backwashing system prevents media channeling and maintains consistent performance
• Compatible with residential, light commercial, and well water applications

Professional Summary

The Lancaster Water® 7-LXDAN-2B Complete Acid Neutralizer provides professional contractors with a robust and efficient system for the correction of acidic water conditions. Utilizing high-purity calcite media and an automated control valve, the system delivers consistent pH stabilization to protect piping, appliances, and fixtures from corrosive water damage. Its integrated dome plug design allows simplified maintenance access, while the electronically controlled backwash cycle ensures optimal media performance and extended service life. Designed for precision and durability, the 7-LXDAN-2B represents a complete, field-proven solution for professional water treatment installations.