1000 Liter Solar Water Heater System

The Duda Diesel Active Solar Water Heaters are OG-100 SRCC certified and eligible for the Federal government tax credit. The credit applies to the total cost of the system as long as the collector used is OG-100 SRCC certified. 120 Duda Solar Tubes, 1000 Liter (264 Gallon) Tank All Basic Parts Included - Full System Active Solar Heater / Winter Resistant System   Solar Water Heater Tank Specifications Inner tank material Food Grade SUS 304-2B Outer tank cover material Galvanized Steel 0.5 mm thickness. Heat preservation layer high-pressure automatic polyurethane foaming layer, Density of 36 kg/m3 (2.24 lb/ft3) In Tank heat exchanger specs TU1 copper (Red Copper), thickness: 1mm (0.04") Water Purification Magnesium rod installed Backup heating Standard 1" port for electric backup with mechanical thermostat Drain port 3/4" female NPT (Bottom of tank) T/P Port (Exhaust Port) 3/4" female NPT (for T/P Valve) Coil connections 12mm (1