RESOL DeltaSol® BS /4 (1-3 sensors) - Replaced by DeltaSol® SLL compatible_Dux this will also help eliminate

this will also help eliminate thermal shock

AX and AL controllers

5M tank sensors (FRP6)

3 sensors: roof + tank + inlet

1 x Senztek SolaSmart Plus controller

RESOL DeltaSol® BS /4 (1-3 sensors) - Replaced by DeltaSol® SLL compatible_Dux this will also help eliminateRESOL 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