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Eltwin Sure start - Three Phase soft start - Model SS4A-SN - 50 -Hz
8m head variable speed water pump
Compatibility with all compact models
Grundfos Type UPM GEO 25-85-130
Compatibility with models 4
77-035A 3 way diverter valve 28mm compression connection LK525 MultiZone Eltwin Sure start - Three3 way diverter valve 28mm compression connection Can be installed with Evo, Shoebox and compact models. The LK525 MultiZone 3w is a motorized 3 way valve for on off control. The Zone valve is designed with a turning slide which allow it to withstand a larger pressure difference and reduces the risk of installing after a long intermission. This makes it especially suited for heat pump applications where there can be a long intermission between the
