one-line or double line ,connections 3/4 " ,pump(EL 130 mm) optional with permanent bleeder,integrated solar
control,collector face : up to 12 sqm.
Solar station with valve technology, thus no gravity escapement
(gravity circulation 100% excluded) valve block with thermostatic control valve,
connections 3/4",pump (EL 180), optional with permanent bleeder.
Collector face: up to 22 sqm
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