Are the DualSun SPRING panels compatible with Ecoforest's T-DW x00 tanks?
YES,
Ecoforest's T-DS x00 double exchanger tank is compatible with DualSun SPRING panels. Indeed, it has two immersion sleeves, respectively mounted in the middle of the ball and top of the ball.
>To go further : What hot water tanks should be used with DualSun panels?