ECL Application key A333. Heating control with speed control of one or two circulation pumps. Refill water and storage function.

ECL Application key A230 DE. Heating control with wind compensation. Cooling control.

Applikationskey A237/337 DE

Applikationskey A247/347 DE

ECL Application key A260 DE. 2 x heating control

ECL Application key A266 DE. Heating and DHW control

Applikationskey A367 DE

ECL Application key A377 DE. 2 x heating and 1 x DHW-tank control

ECL Application key A267 DE. 2 x heating and 1 x DHW-tank control

ECL Application key A217 DE. DHW - / DHW-tank temperature control