RESOL DeltaSol® BS /4 (1-3 sensors) - Replaced by DeltaSol® SLL compatible_Dux When returning from holiday

When returning from holiday

Installation is straightforward

Moisture-proof housing to suit RESOL Controllers

AX and AL controllers

Neither of these controllers have digital temperature display

RESOL DeltaSol® BS /4 (1-3 sensors) - Replaced by DeltaSol® SLL compatible_Dux When returning from holidayRESOL DeltaSol BS 4 (1 3 sensors) **The RESOL DeltaSol SLL controller is the replacement controller for the Resol DeltaSol BS 4, BS 2, BS Plus, AX and AL controllers.** The DeltaSol SLL is the smallest controller of the SL series. Its equipment is optimised for small and medium sized solar thermal and heating systems, 10 pre configured basic systems are available. The DeltaSol SLL is also the first controller of its category to offer the automatic