Caleffi, iSolar-4 Control Unit for Single-Load Systems with 1 pump speed triac and 1 control relay for second pump or valve, includes 3 sensors with data connection
Any domestic solar system needs a good control system for water regulation and heat control. We offer controls from Viessmann, Buderus and Caleffi to fit a large selection of our domestic solar systems.
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95% DOP and HEPA/ULPA Filters 
