VAILLANT ECOTEC PLUS 824 831 837 937 NON RETURN FILLING LOOP VALVE 0020010294
Will fit: VAILLANT ECOTEC PLUS 824 BOILER. VAILLANT ECOTEC PLUS 831 BOILER. VAILLANT ECOTEC PLUS 837 BOILER. VAILLANT ECOTEC PLUS 937 BOILER. Products will not be covered if misused or not serviced as per maintenance instructions.