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Daha sonra bütün radyatör vanalar? kapat?larak en uzakta olan radyatör vanalar?n? aç?k b?rak?l?r tek petek üzerinden temizleme i?lemine ba?lar makine ilaçl? ?s?nm?? suyu tek petek üzerinden devridaim yapar. Tek petek üzerinde yakla??k fifteen dakika devridaim i?lemi yap?ld?ktan sonra pis suyu tahliy