Vaillant EcoTEC 637 837 838 937 938 kompatibles Gasventil VK8515MR 0020148383

Part No. 0020148383. Vaillant EcoTEC 637 837 838 937 938 Honeywell VK8515MR4522 Gas Valve with Regulator. Vaillant EcoTEC plus 637 VU 376/5-5 R1 (GC No. 41-044-65). Vaillant EcoTEC plus 637 VU 376/5-5 R2 (GC No. 41-044-65).

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