Vaillant Ecotec Main Heat Exchanger (5 coil) 0020135131 0020018182 Genuine

Ecotec Plus 612 / 615 / 618 / 624 / 630 / 637. Ecotec Plus 612 – GC No.41-044-47. Ecotec Plus 615 – GC No.41-044-47. Ecotec Plus 618 – GC No.41-044-47. Ecotec Plus 624 – GC No.41-044-47. Ecotec Plus 630 – GC No.41-044-47.

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