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one upper tank sensor
it opens a window so you can see and understand how your system is functioning and why
temperature control and a routine for detecting and supporting thermal legionellae switching on the boiler side
Solar Hot Water Parts has the complete solar replacement range
au TAS www
RESOL DeltaSol® BS/4 to suit Apricus Systems (1-3 sensors) - Replaced By DeltaSol® SLL SHWP0003 one upper tank sensorRESOL DeltaSol BS 4 to suit Apricus solar hot water systems (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
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