 |
 |
 |
 |
 |
 |
For product specifications, click here. HELIO-PASS: Closed loop heat transfer appliance The Helio-Pass (HPAS) heat-transfer appliance is designed for use with coil-in-tank water heating systems. It serves as a closed loop system by circulating solar fluid from the collectors through a tank-integrated coil. Heat from the solar fluid inside the coil is transferred to the domestic water supply. Features: • Sleek modern design |
