Vaillant Ecotec Plus 824 831 Pump With Wire 178983 193534
PART NO.: 178983. SUPERSEDED: 193534 (Old Part Number). Compatible Grundfos pump head only replaces Vaillant ecotec boiler pump:-. VAILLANT ECOTEC PLUS 612. VAILLANT ECOTEC PLUS 615. VAILLANT ECOTEC PLUS 618.