Heat exchanger, gas valve, diverter valve and both pcbs and screws washers clips
VAILLANT ECO TEC Plus VUW 824 831 837 Ignition Electrode 090709 090750
Vaillant Fan (0020135138) EcoTec Plus 831 R1 Gas Boiler Condensing
Vaillant EcoTec Plus 831 Fan 193593
Vaillant Eco Tec Plus Filling Loop Assembly
Vaillant Eco-tec Plus Siphonic Condensate Trap 180985
Vaillant Ecomax Eco Tec Plus Pro Gasket Seal Glowworm 0020025929 & 0020038679
