VAILLANT Ecotec Pro 24 MAIN HEAT EXCHANGER 0020135129
Ecotec Plus 612 VU 126/5-5 A R4 2015 Onwards – 41-044-78. Ecotec Plus 612 VU 126/5-5 R4 2015-2015 – 41-044-60 R4. Ecotec Plus 615 VU 156/5-5 A R4 2015 Onwards – 41-044-79. Ecotec Plus 615 VU 156/5-5 R4 2015-2015 – 41-044-61 R4.