Vaillant Ecotec Plus 630 VU 306/5-5 A R4 R6 Pump Head & Air Vent- MPN 0020221616
This pump head and air vent are designed for the Vaillant Ecotec boiler models. Ideal for replacing a faulty or worn-out part. Vaillant Ecotec Pump Head. Ecotec Plus 612 VU 126/5-5 A R4 2015 Onwards – GC No. 41-044-78.