
E-Chen 203 Series 50gpd Diaphragm RO Booster Pump - Self Priming Self Pressure Regulating Water Pump. Constant Pressure Tech: Maintains stable 70psi outlet pressure to protect RO membranes from fluctuations. Self-Priming Design: Automatically handles inlet pressures from 10-40psi without decompression or leakage. Durable Materials: Constructed with Nylon housing, EPDM valves, and Santoprene diaphragm for longevity. Compact & Lightweight: Net weight only 2.0kg with dimensions 210x104x99mm for easy installation. Versatile Applications: Ideal for RO systems, pre-filters, carbonation, misting, and medical lab water. Multiple Voltage Options: Standard 24VDC model available, with 12V option for flexible power requirements. Leak-Proof Performance: Engineered to ensure no water leakage, ensuring safe and clean operation.