Specifications NS-200 Quick Details Brand Name: North Solar Engineering and design – Custom proprietary: North Solar © Model Number: NS200 Capacity – Main tank: 200L Capacity – Tubes: 70L Type: Evacuated Tube Tank Pressure: Unpressurised Circulation Type: Direct / Open Loop (Active) Heating System: Thermosyphon (Passive) Connection Type: Direct-Plug Installation: Bracket/stand Housing Material: Stainless steel plate Certification:  Watermark Australian Standard … Continue reading North Solar NS-200 Evacuated (vacuum) tube solar hot water system (ETSHWS)