Stiebel Eltron SOM 9 Plus (RESOL DeltaSol BX Plus) Solar Hot Water Controller

Stiebel Eltron SOM 9 Plus (RESOL DeltaSol BX Plus) differential temperature control with digital temperature display, programmable functions for solar domestic hot water systems and 10 selectable system layouts. 100-240 Volt operation. Control requires minimum of 2 sensors (5 are included) and will accept up to 8 sensors. There are four semiconductor outputs and one relay output for pumps or valves, as well as one output for VBUS data transfer. Equipped with a factory installed line cord.

Important!
This control will need to be programmed for correct operation. If you need help in setting the parameters, or would like us to pre-program the control to your parameters before shipment, please let us know.

Sun Source SKU: CD-0090
Stiebel Eltron Part: 11209790